A will be the answer because usually marking your exercise days will become a habit because lets say you would do a running exercise but you want to do it in a certain day well if you mark it on the calendar, it'll become a habit.
The theory of plate tectonics changed the way that scientists view Earth.
Answer:
True!
Explanation:
Calcium, iodine, and iron are all needed for body nutrience.
Answer:
toast, crackers, rice and bananas
Explanation:
there
