The weather and amount of resources
Hey there,
Your question states: <span>A student made a model of isostasy by placing a block of wood in a beaker of water how can a student demonstrate isostaic rebound using her model?
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By "</span><span>Press the block down and let go" and that would demonstrate it well.
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the 3rd one as well ............................
Answer:
It is: D. it produces male and female sex cells.
Explanation:
For giving you understanding ; we need Free O2 but Oxygen is also available in H20 right why dont we use it !!
As the early atmosphere was reducing as there was no free oxygen but it was later produced by chemoautotrophic bacteria !! Living thing release O2 in atmosphere thus making it oxidising in nature and then life evolves !!