C. The cell must be a plant cell.
Only plant cells have cell walls. Bacteria cells and animal cells do not. Both animal cells and plant cells have membrane-bound organelles, but since the student saw a cell wall, it must be a plant cell.
Hope this helps! :)
I believe the correct answer is acid rain.
D. an asteroid because an asteroid is the only thing that can form a meteor crater.
Answer:
More than 50 studies were conducted.
The US Public Health Service was responsible for part of the study.
Explanation:
If the information was supported by studies by a trusted organization, then it's most likely that all the information would be reliable.
