Mammals first appeared during the <span>Mesozoic </span>era.Hope I helped, good luck!'
The sun makes the air masses worm
A. They have the greatest oil reserves
The answer is:
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[C]: Mercury and Venus.
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Mercury would be "Planet A"; and Venus would be "Planet B".
If the rains fail it can cause<span> drought in addition to natural factors, the land is marginal. Human activities such as overgrazing, overcultivation and the collection of firewood can lead to desertification, particularly when combined with drought conditions. hope this helps and plz rate below :)</span>
