Which of these changes produces a chemical change? A. Lava cools and changes from a thick fluid to solid rock.
B. A large rock is crushed into gravel,
C. Limestone slowly dissolves in water and forms a cave,
D. A stone fizzes and forms a gas when acid is dropped on it.

What part of the plant has the most chloroplsts?

Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2

What is the main fuel source for the work of the cell