Have plasma membrane, DNA, ribosome, and cytoplasm.
Answer:
3. A 2. B. 1. B
Explanation:
Im not to sure about 1. but other than that your good sorry if this didn't help
They all have different compositions of protons, neutrons, and electrons. This causes variety and makes atoms different so they can make up different substances
Answer:
a human can stay up to 79 years