Photosynthesis, how plants survive. Sunlight is absorbed.
Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone along the joints, bedding planes and fractures, some of which become enlarged enough to form caves.
It requires energy when a substance must travel against a concentration gradient through the membrane
Answer:
No. China is already consuming third of the world's coal production for electricity, which is a serious challenge to the environmental. The trade off is fair so China should build the new dam.
Answer:
ur hair is ugly get it shaved off
