<span>The mountains were once seas. The land was forced up by tectonic motion when the mountains were formed. The Sahara also used to be a sea and has a valley full of the fossilized remains of an extinct species of whale. It is generally agreed upon that two plates colliding caused the uplift that created the mountainous zone. Same for the Himalayas.</span>
High CO2 levels cause plants to thicken their leave ,which could worsen climate change effect researchers says.
plant scientists observed that when CO2 levels increase in the atmosphere <em><u>most </u></em><em><u>plants</u></em><em><u> </u></em><em><u>do </u></em><em><u>unusual </u></em><em><u>,</u></em><em><u> they</u></em><em><u> </u></em><em><u>thicker </u></em><em><u>their</u></em><em><u> leave</u></em>
<em><u>germination</u></em><em><u> </u></em><em><u>increase</u></em><em><u> in</u></em><em><u> </u></em><em><u>high</u></em><em><u> </u></em><em><u>temperature</u></em><em><u> </u></em><em><u>up </u></em><em><u>to</u></em><em><u> the</u></em><em><u> </u></em><em><u>point</u></em>
I believe it’s the study of agriculture (c)
B. only 3% of water on earth is fresh
The answer to this obvious question is true
