Answer: Primary succession
Explanation:
Primary succession occurs when living organisms colonize (appear on) a newly found area. So, since the retreating glacier (a large body of ice flowing downwards) resulted in a new environment, it tells that no living organisms previously existed in the area.
Therefore, the presence of nutrients in the lake would then support new life activities brought by the various species of living organisms.
Thus, primary succession occurs
Answer:
Explanation:
Contagious diseases are spread by contact, while infectious diseases are spread by infectious agents. Something "contagious" is by default "infectious" because contact exposed you to the infectious agent, but something infectious isn't always contagious.
Answer:
y=10
Explanation:
Given the expression 7 - y = -3
First we have to collect all constant term to one side hence
7+3-y=0
10-y=0
10=y
y=10
<span>Mercury, Venus, and Mars. It depends a bit on where you measure the gravity. </span><span>
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