Question:
Use evidence from the fact that as population of predators decreases , the population of prey will increase in an environment to answer the following question. "a decline in the number of predators often leads to"

Answer:
a rise in the number of prey

Question:
Use evidence from the fact that a mirror reflects light to answer the following question. "Robert has only has power downstairs. In order to move the light from downstairs to his upstairs bedroom, he can"

Answer:
set up an array of mirrors

Question:
Use evidence from the fact that objects made of glass cause refraction of light to answer the following question. "Which would least refract light?"

Answer:
a cardboard box