Answer:
A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results.
Answer:
B
Explanation:
Is source of Lava all you are going to put in the second section? If it is, that eliminates both the first and last ones. Part 2 is always safe, no matter what comes next.
If it's a science report, part 2 is safe. I think I'd pick it. Dull but it directs the reader to a change.
Answer:
First start with 2020, when it first happened, then delta variant, more cases, and so on... and maybe include when the people could get the vaccine
Explanation:
