Answer:
D
Explanation:
because air is made up of nitrogen,carbon dioxide, Argon and oxygen
Answer:
1.All living things are composed of cells.
2.Cells are the basic units of structure and functions in living things.
3.All cells are produced from other cells.
1. Theodore Schwann
2. same scientist I believe
3. should be the same one
I hope this helps
Answer:
NA+ gates open and flow into the Sarcolemma of the muscle fiber.
The answer is b. The second letter (if there is one) is always written as lowercase