A scientist uses electricity to break down water into hydrogen gas and oxygen gas. Which statement best explains what happens? A. A chemical change occurs. O B. A base neutralizes an acid. O c. An acid neutralizes a base. O D. A physical change occurs.

a. possible errors

d. new questions

explanation:

predictions and planning happen before. a summery comes after. errors you get after investigation and new questions propose what you can look for in the future.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

on the planet jupiter, the acceleration due to gravity is approximately 26 m s2 , roughly 2.7 times the acceleration due