Question:
Which body system's primary function is the continuation of the species?
Answer:
reproductive
Question:
If a chemical reaction such as photosynthesis begins with 6 atoms of carbon [C], how many atoms of carbon [C] should be in the products?
Answer:
6 atoms of carbon [C]
Question:
An astronomer is studying two stars that are the same distance from Earth. Star X appears brighter than star Y. Which statement best explains this observation?
Answer:
Star X is larger than star Y.
Question:
A person cuts down a living oak tree. The person burns the wood from the oak tree to boil water. Which sequence correctly orders the energy transformations that occurred from the living tree to the boiling of water?
Answer:

light energy -> chemical energy -> thermal energy