There are 115 known elements in the world right now.
B is the right answer. Plants use light in photosynthesis to make food, and cellular respiration to break them down.
Answer:
Limiting human use of nitrogen that is in the atmosphere.
Explanation:
Answer:
our breathing likely to be speed of when our cells need more energy...because at that time energy is required so our breathing speed up .
Answer:
B. Rocks, fossils, climate
Explanation:
Rocks :it can make sense if the whole world was a whole rock the... It looks like a puzzle but with some missing pieces
Fossils:of long extinct creaters
