Biology, 14.04.2020 22:11 eduardoma2902
Drag the tiles to the correct boxes to complete the pairs.
Match each form of energy to its description.
motion energy
thermal energy
gravitational potential
energy
chemical energy
nuclear energy
sound energy
-stored energy related to
positions of atoms within
molecules
-energy released when a
nucleus splits or
combines
-energy related to an objects movement
-energy related to height
-energy generated by vibration of a string
-energy of motion of particles in a substance
Answers: 3
Biology, 22.06.2019 06:30
Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food
Answers: 1
Biology, 22.06.2019 11:20
Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review
Answers: 1
Biology, 22.06.2019 11:30
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
Biology, 22.06.2019 13:30
The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?
Answers: 1
Drag the tiles to the correct boxes to complete the pairs.
Match each form of energy to its de...
Match each form of energy to its de...
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