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An allergy is a hypersensitivity to substances that are essentially harmless. For as yet poorly understood reasons, the immune system malfunctions and marshals up an army of antibodies to fight these substances. For many allergies, this malfunction causes a large amount of histamine to flood into the bloodstream. It is overabundance of histamine that causes allergic symptoms such as headaches, rashes, and sneezing. the passage states all of the following about allergies except - VERIFIED ANSWER medical science does not fully understand why the body has an allergic reaction to certain substances a period of time is usually measured by comparing it with another period of time.for example, a year on mercury is equal to 88 earth days. a year on uranus is approximately 348 mercury years. according to the passage, the way time is usually measured shows that the time is - VERIFIED ANSWER calendar-based weather radar is a great help to pilots in detecting thunderstorms. however, pilots must be aware that radar does not reliably detect hail. radar operates by transmitting a pulse of radio energy and receiving the pulse again after it is reflected by a target. large raindrops, the kind found in intense thunderstorms, are the best radar reflectors and will show up as intense targets on the screen. hail is somewhat porous and has an uneven structure; it tends to absorb or scatter the radar pulse rather than reflect it back to the antenna. according to the paragraph, weather radar does not reliably. detect hail because of - VERIFIED ANSWER its penetrable surface
according to mark twain, october is a particularly dangerous month to speculate in stocks. others include july, january, september, april, november, may, march,june, december, august, and february. what was mark twain's point? - VERIFIED ANSWER october is an especially bad month for speculating in stocks Physical sound energy is transmitted through the external ear ( the pinna ) and the middle ear to the inner ear, where it creates pressure waves in the fluid of the cochlea. there, hairs on the organ of corti are moved by the pressure waves. the movement of the hairs starts the process by which nerve impulses are generated. where is the organ of corti located? - VERIFIED ANSWER in the inner ear An analysis of the mandatory oil quota program shows that separate quotas were established for crude oil and for petroleum products. Petroleum products were divided into light products mostly gasoline jet fuel and desolate and heavy or residual fuel oil products. The quota for crude oil imports was set at approximately 10% of crude oil consumption the passage implies which of the following about the oil quota program? - VERIFIED ANSWER the quota for residual fuel oil products was the same as for crude oil products the women's flying training detachment was the brainchild of jacqueline cochran, the famous flyer. because of the overwhelming demand for qualified men to fly in combat during world war 2, she was able to persuade the army to train women pilots to ferry military aircraft from manufractures to embarkation points for later shipment overseas. the author implies that the primary motivation for establishing a training program for women pilots during world war 2 was the - VERIFIED ANSWER unavailability of qualified male pilots 4x+12=0 - VERIFIED ANSWER - 3 what is 5x times (3x^2-5)? - VERIFIED ANSWER 15x^3-25x what is the area of a parallelogram if its length is x+4 and its height is x+3? - VERIFIED ANSWER x^2+7x+
373 - VERIFIED ANSWER Water boils at ____ Ks on the Kelvin scale (GS) Veins - VERIFIED ANSWER carry blood from capillaries toward the heart. (GS) Arteries - VERIFIED ANSWER carry blood away from the heart. (GS) Ventricles - VERIFIED ANSWER lower chamber of the heart (GS) Red Blood Cells - VERIFIED ANSWER component of blood which carries oxygen (GS) Rust - VERIFIED ANSWER Formed on Iron when an electrolyte (example: H2O) turns iron and oxygen into iron oxide (GS) Fe2O3 - VERIFIED ANSWER iron oxide aka rust (GS) Chemical - VERIFIED ANSWER Iron forming rust is an example of a ________ process. (GS) Respiration - VERIFIED ANSWER process by which animals convert oxygen and sugars into carbon dioxide and water (GS) photosynthesis - VERIFIED ANSWER process by which plants convert carbon dioxide and water into oxygen and sugar (GS) Inert Noble Gases - VERIFIED ANSWER Helium and neon are examples of _____ ______ ______, and do not react chemically. (GS)
Solution - VERIFIED ANSWER When sugar and water are mixed together, they form a _______, in which the sugar particles become evenly distributed throughout the water. This is not chemical, as sugar can be restored by boiling the water. (GS) Does Not - VERIFIED ANSWER Ice (Does/Does Not) alter the chemistry of H2O. (GS) O Negative - VERIFIED ANSWER Type of blood which can be given to anybody without an adverse reaction (universal donor) (GS) Vena Cava - VERIFIED ANSWER blood enters the right atrium of the heart from the ____ _____ (GS) Higher - VERIFIED ANSWER Basic substances are _______ on the pH scale. (GS) Lower - VERIFIED ANSWER Acidic substances are ______ lower on the pH scale. (GS) 7 - VERIFIED ANSWER Water is a __ on the pH scale. (GS) Small Intestine - VERIFIED ANSWER Digestive organ which does the most of the work in breaking down food. (GS) Enzymes - VERIFIED ANSWER Produced in the walls of the small intestine, pancreas, and liver, which completely breaks down food. (GS) Testes - VERIFIED ANSWER produces sperm (male reproductive system) (GS) Oviduct - VERIFIED ANSWER aka Fallopian tube (GS)
Force - VERIFIED ANSWER push or pull on an object that forces an object to change it's speed or direction (GS) Centimeter - VERIFIED ANSWER one hundredth of a meter (GS) Millimeter - VERIFIED ANSWER one thousandth of a meter (GS) Decameter - VERIFIED ANSWER 10 meters (GS) Hectometer - VERIFIED ANSWER 100 meters (GS) Igneous - VERIFIED ANSWER examples of this rock: obsidian, granite, basalt, etc, formed by the cooling of lava (GS) Lunar - VERIFIED ANSWER type of eclipse where the Earth is between the Moon and the Sun, the Moon passes through Earth's shadow (GS) Red - VERIFIED ANSWER color with the lowest frequency (GS) Violet - VERIFIED ANSWER color with the highest frequency (GS) Neutrons and Protons - VERIFIED ANSWER major portion of an atom's mass (GS) Negligible Masses - VERIFIED ANSWER electrons, positrons, neutrinos, and. other subatomic particles have ________ __________. (GS)
Arthropods - VERIFIED ANSWER characterized by chitinous exoskeletons, segmented bodies, and jointed legs, examples: crabs, spiders, centipedes (GS) Echinodermata - VERIFIED ANSWER Phylum which the Sea Urchin belongs to (GS) Ionic Compound - VERIFIED ANSWER Table salt is an _______ ________ because each chlorine atom borrows an electron from each sodium atom, which then forms a very strong ionic bond. (GS) Axis - VERIFIED ANSWER The Earth rotates 360 degrees about it's _______ every 24 hours. (GS) Monera - VERIFIED ANSWER most primitive kingdom because they are prokaryotic and lack nuclei (GS) Chordata - VERIFIED ANSWER the PHYLUM which contains humans (and all other animals with vertebrae) (GS) Animalia - VERIFIED ANSWER the KINGDOM which includes humans (GS) Mammalia - VERIFIED ANSWER the CLASS which includes humans (GS) Primata - VERIFIED ANSWER the ORDER which includes humans (and other primates) (GS) Probability - VERIFIED ANSWER number of desired outcomes
number of possible outcomes (AR)
Electron Flow Theory - VERIFIED ANSWER Electrons flow from areas of excess negative charge to areas of less negative charge (EI) Positive - VERIFIED ANSWER When a conductor is connected across the terminals of a battery, the electrons in the conductor will be forced from the negative terminal of the battery toward the __________ terminal. (EI) Solids, Gasses, and Liquids - VERIFIED ANSWER Electrons can flow through _________, ___________, ____ _________. (EI) Resistance - VERIFIED ANSWER can slow down the flow of electrons but will not stop it completely (EI) Voltage - VERIFIED ANSWER electrical pressure is known as this, measured in volts Ohmmeter - VERIFIED ANSWER used to measure resistance Series-Parallel Circuit - VERIFIED ANSWER Ohm's Law - VERIFIED ANSWER V= I x R R= V/I Drop - VERIFIED ANSWER Ohm's law: If voltage stays constant, and resistance (R) rises, current (I) would have to ______. (EI) Voltage - VERIFIED ANSWER When current is the same across all resistors, an increase in resistance must result in the _______ drop. (EI)
Capacitor - VERIFIED ANSWER blocks DC so AC can flow (EI) Capactive Reactance - VERIFIED ANSWER capacitor's opposition to the flow of current, tends to diminish as the AC frequency increases (EI) Herbivores - VERIFIED ANSWER aka primary consumers (GS) Liters - VERIFIED ANSWER basic unit of volume (GS) 100 - VERIFIED ANSWER Hecto- base x ____(GS) Yellow Dwarf - VERIFIED ANSWER What type of star is the sun? Trachea - VERIFIED ANSWER aka windpipe (GS) Heat - VERIFIED ANSWER When energy is lost, it is usually dissipated as ________. (EI) .1 - VERIFIED ANSWER Deci- base x ____ (GS) .01 - VERIFIED ANSWER Centi- base x ____ (GS) Cerebellum - VERIFIED ANSWER The ____ is the portion of the brain that controls balance and muscle coordination. (GS) Capillaries - VERIFIED ANSWER the smallest blood vessels, deliver oxygenated blood to the body's tissues and carry away deoxygenated blood (GS)
Weight - VERIFIED ANSWER amount of force exerted on the object's mass by gravity (GS) Ten - VERIFIED ANSWER On the Richter scale each number greater is ____ times greater than the last. (GS) 9.8 - VERIFIED ANSWER acceleration due to gravity is _____ meters per second (MC) Transpiration - VERIFIED ANSWER when water evaporates from the leaves of plants (GS) Pathogen - VERIFIED ANSWER disease causing agent (GS) Refractive Index - VERIFIED ANSWER ratio by which light is slowed when passing through a medium's ________ (GS) Kuiper Belt - VERIFIED ANSWER loose group of astroids and other objects that lies beyond Neptune (GS) Second - VERIFIED ANSWER Newton's _____ Law of Motion: F=ma (MC) First - VERIFIED ANSWER Newton's ______ Law of Motion: An object at rest tends to stay at rest. An object in motion at constant velocity unless acted on by an unbalanced force. (MC) Power - VERIFIED ANSWER Formula for ________: work divided by time w/t (MC) Energy - VERIFIED ANSWER capacity to do work (MC)
Delta - VERIFIED ANSWER represents change in quantity (MC) Joule - VERIFIED ANSWER (J) basic unit of work (MC) Momentum - VERIFIED ANSWER Formula for _______: p=mv Inertia - VERIFIED ANSWER tendency objects to resist changes in their motion Newton - VERIFIED ANSWER basic unit of force (MC) Potential - VERIFIED ANSWER this type of energy is derived from position, shape, or state NOT from motion (MC) Work - VERIFIED ANSWER Formula for _______: w=fd f-force d- displacement (MC) Acceleration - VERIFIED ANSWER Formula for _______: change in velocity
change in time (MC) Kinetic - VERIFIED ANSWER type of energy possessed by a moving object (MC)
Coolant - VERIFIED ANSWER flows through radiator hoses; goes to and from radiator and engine (AI) Exhaust Manifold - VERIFIED ANSWER spent fuel gases pass into this after they exit the cylinder (AI) timing belt - VERIFIED ANSWER (or chain) what the camshaft is driven by crankshaft with (AI) Water Jackets - VERIFIED ANSWER hollow sections of engine block where coolant flows (AI) Crankshaft - VERIFIED ANSWER converts linear motion of the piston into rotary motion (AI) Piston - VERIFIED ANSWER moves up and down inside an engine's cylinder (AI) Cylinder - VERIFIED ANSWER The following occur in an engine's ______: fuel and air are ignited, pushing the piston down, and expelling gases when piston moves back up (AI) Oil Pan - VERIFIED ANSWER The following occur in an engine's ______: oil drips from various parts and is picked up by the oil tube and is sent back to the oil pump (AI) Secondary Coil Winding - VERIFIED ANSWER high-voltage winding in a car's ignition system (AI) Sensors - VERIFIED ANSWER sends data to a car's computer (AI) Actuators - VERIFIED ANSWER receives commands from a car's computer (AI)
Crankshaft - VERIFIED ANSWER powers the car's oil pump (usually) (AI) Internal Combustion Engines - VERIFIED ANSWER takes chemical energy, convert it to heat energy, and then into mechanical energy (AI) Oil Galleries - VERIFIED ANSWER passages throughout the engine that deliver oil to various engine components Electronic Fuel Injection - VERIFIED ANSWER most cars have this instead of carburetors now (AI) Viscosity - VERIFIED ANSWER ability to flow Connecting Rod - VERIFIED ANSWER connects each piston to the engine's crankshaft (AI) Lead - VERIFIED ANSWER Car's battery has plates made from this which is immersed in sulfuric acid and water (AI) Air - VERIFIED ANSWER ____-cooling and water-cooling are the two major types of engine cooling systems. (AI) Pressure - VERIFIED ANSWER The two valves on the radiator caps are a _______ valve and a vacuum valve. OHV - VERIFIED ANSWER aka overhead valve (AI) High Pressure - VERIFIED ANSWER Diesel engines employ this to ignite the air-fuel mixture.
Half Shaft - VERIFIED ANSWER short drive shaft between the CV joints and drive axle Hydraulic - VERIFIED ANSWER aka fluid; Type of pressure breaks work through Newton-meter - VERIFIED ANSWER Used to express torque (also a foot-pound) (MC) Socket - VERIFIED ANSWER Instead of using a wrench to loosen a fastener in a tight space you could use a _______ with a ratchet handle. (SI) 90 - VERIFIED ANSWER A measuring device with two arms that meet at a ______ degree angle are called steel square, Carpenter's square, or framing square. One End of Lever - VERIFIED ANSWER Where the fulcrum is on a third-class lever Middle of Lever - VERIFIED ANSWER Where force is applied on third-class lever PE=mgh - VERIFIED ANSWER Formula for calculating gravitational potential energy Directly - VERIFIED ANSWER A square has how many sides? - VERIFIED ANSWER 4 How much is 2 plus 2? - VERIFIED ANSWER 4 A rose is a what? - VERIFIED ANSWER A flower
What is the best explanation of how a smooth round stone became smooth? - VERIFIED ANSWER It was in a stream for a long time If you place bean seeds between moist paper towels and watch the stem leaves appear you will see a demonstration of? - VERIFIED ANSWER germination Any astronomical body that revolves around a larger body is called? - VERIFIED ANSWER satellite In chemistry, to be classified as an organic substance, a substance must contain? - VERIFIED ANSWER carbon atoms What element does not contain any neutrons? - VERIFIED ANSWER Hydrogen What is the symbol for hydroxyl ion? - VERIFIED ANSWER OH- A perpetual-motion machine can never be built because it is not possible to eliminate what? - VERIFIED ANSWER Clasticity The chemical formula of a compound describes the elements the compound contains and the...
- VERIFIED ANSWER the ratio of elements in a compound When scientists measures a liquids resistance to flow, they are measuring the liquids... - VERIFIED ANSWER Viscosity The tympanic membranes are also known as the... - VERIFIED ANSWER Ear drums When sodium atoms form sodium ions they: - VERIFIED ANSWER lose electrons
