I believe the answer is the first one you listed,
Hope this helps..
Answer:
correct answer is A
Explanation:
nucleus is most important part of a cell as a town hall would be to a city
Answer:
a line graph or a bar graph or anything near that to show that you understand
Explanation:
Answer: Single cell organisms dont need a respiratory system because oxygen and carbon-dioxe diffuses between their body tissues and the enviorment.
