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One possible reason for the rise in the average air temperature at EarthвЂ™s surface is that

Plants such as the Venus flytrap produce chemical compounds that break down insects into substances that are usable by the plant. The chemical compounds that break down the insects are most likely

In December 2004, a tsunami (giant wave) destroyed many of the marine organisms along the coast of the Indian Ocean. What can be expected to happen to the ecosystem that was most severely hit by the tsunami?

Much of the carbon dioxide produced by green plants is not excreted as a metabolic waste because it

The size of a frog population in a pond remains fairly constant over a period of several years because of

One disadvantage of a genetic mutation in a human skin cell is that it

The DNA of a human cell can be cut and rearranged by using

Deforestation of areas considered to be rich sources of genetic material could limit future agricultural and medical advances due to