Answer:
A. Increase in permafrost thickness
Explanation:
<u>Climate warming (like of 4°C) would increase the active layer thickness (ALT) of permafrost</u>, which can cause changes in the hydrological cycle, ecological processes, and carbon flux in cold regions.
ANSWER WAS DELETED DUE TO NOT FOLLOWING THE RULES
<h2>The difference between matter, mass, and volume is that:</h2>
<u>Matter</u> is a physical substance which can be touched, seen, smelled, and sometimes heard. It comes in different states: liquid, solid, gas, and plasma.
<u>Mass</u> is the measure of how much <u>matter</u> is in an object.
<u>Volume</u> is the measure of how much space is inside of a 3D object.
Answer:
The correct answer is a hypothesis.