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Which of the following is not considered a major class of nutrient?A. FibersB. FatsC. VitaminsD. Water. The process by which sediments are compacted and cemented into sedimentary rock is known as what?A. DepositionB. FossilizationC. CrystallizationD. LithificationA behavioral response from an organism is determined by which of the following factors?A. Heredity and experienceB. Solely heredityC. RegulationD. Internal conditionsWhich structure is responsible for regulating basic functions such as respiration and heartbeat?A. Cerebral cortexB. BrainstemC. CerebellumD. HippocampusWithin a forest ecosystem, which of the following would be considered a primary consumer?A. GrassB. RabbitC. SnakeD. HawkAs a part of a science class, a clear pot of water with heat sensors is placed above a burner. The water begins to boil, and a student observes that the hottest water at the bottom of the container seems to move upward and the cooler water continuously moves in to take its place as illustrated below. Which of the following best explains this cyclical movement of the water?A. The heat from the burner causes air bubbles to form at the bottom of the pot, and the air bubbles carry the water upward. Water then flows in to fill in the space once occupied by the bubbles.B. Heat moves through the water by the process of conduction, causing heat to spread progressively upward from the hotter region near the burner, cooler water moving to take its place.C. Heat is convected through the water, causing the hotter, less dense water to rise. Cooler, denser water then moves in to take its place.D. Radiation of heat near the center of the pot causes cyclonic swirling in the water, which moves in a path around the axis of heat emission.What is the moon's position relative to Earth during a lunar eclipse?A. The moon is behind the Sun.B. The moon and sun are on opposite sides of the Earth.C. The moon is between the Earth and the Sun.D. The moon is at the zenith point.Which of the following factors least affects a compound's tendency to change state?A. PressureB. TemperatureC. Type of compoundD. MassMonths are based on which of the following?A. The Moon's revolution around the Earth.B. The Earth's rotation on its axis.C. The Earth's revolution around the Sun.D. The Earth's revolution around the Moon.Using the periodic table, how would you find elements with chemical properties similar to Helium?A. Look in the column below it.B. Look in the row next to it.C. Find elements whose atomic number is close to Helium.D. By looking in the alkaline earth metals.The time required for half the atoms of a particular substance to disintegrate is known as that substance's ___________.A. Radioactive decayB. Carbon datingC. Atomic massD. Half lifeWhich of these is not a division within the standard system of scientific taxonomy?A. PhylumB. SpeciesC. RankD. OrderWhich of the following best describes a difference in how two types of organisms maintain homeostasis?A. An owl typically feeds nocturnally, while a blue jay typically feeds diurnally.B. Algae reproduces asexually, while gymnosperms, such as pine trees, reproduce sexually.C. Some single cellular organisms move using whip-like structures called flagella, while other single cellular organisms use a series of hair-like structures called cilia.D. A snake depends predominantly on external factors like sunlight to regulate its body temperature, while a rabbit utilizes mainly internal processes.Approximately how long ago did the first anatomically modern humans appear on the Earth?A. 200,000 years agoB. 2 million years agoC. 6 million years agoD. 130 million years agoIf a star turns into a supernova 15 trillion light years away when will an astronomer see it?a.immediatelyb. 15 secondsc. 15 yearsd. 15 minutesAntibiotics are proven to affect against which disease?a. measlesb. mumpsc. hepatitisd. Lyme disease1. What is the term for the thick layer surrounding Earth's outer core?A. GeosphereB. CrustC. MantleD. HydrosphereWhich of the below is an example of metamorphic rock?A. SandB. SedimentC. SchistD. GraniteThe smallest particle of an element that retains any of the properties of the element:a. atomb. nucleusc. celld. organA comet is described as:a. chunk of metal that enters into earth's atmosphereb. chunk of rock, ice and dustc. chunk of rock
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