Which of the following is consumed by the photosynthesis reaction occurring in plants? A.
glucose
B.
oxygen
C.
carbon dioxide
D.
nitrogen

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain