True, the Himalayas formed due to continent-continent collision.
Sandstone would have the greatest porosity.
I believe the correct answer from the choices listed above is the first option. It is by the process of photosynthesis that <span>plants obtain carbon from the atmosphere. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
16m -12 - m + 5 = - 52
16m - m = - 52 - 5 + 12
15m = - 45
m = -45 / 15
m = -3
<span>it was a source of food and trade</span>
