PLEASE ANSWER TY.

Which of the following situations would be followed by secondary succession? (Choose all that apply) [[ HAVE TO CHOOSE 3 ]]

1. lava flows
2. earthquakes
3. overgrazing
4. tornado

What occurs to the cell during mitosis

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels