There are several. there is rainwater*, glaciers, and rivers/streams.
*the rainwater I am talking about is the kind that falls from the country. no acid rain
Answer:
I think it os the last one I am sorry if I am wrong
Answer:
25% is absorbed by land plants and trees
Explanation:
Ocean atmosphere co2 exchange when carbon dioxide co2 is released into atmosphere from burning of fossil fuel, approximately 50%remains in the atmosphere while 25%is absorbed by land plants and trees, and the other 25% is absorbed into certain areas of the ocean.
The DNA strand is shaped in a double helix
The answer is "populations." It changed throught the gene pool of populations. Hope that helps.
~Deceptiøn