When stephanie’s light bulb did not turn on after she wired a circuit board, she asked her brother to use the same procedure to see if he got the same results.
which important step of scientific design is being modeled?
a. reevaluating
b. repetition
c. replication
d. revising

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?