A sudden shift in the tectonic plates of the earth
Answer:
the answer is 5x-5t equals s
Explanation:
The answer is A. When a potent drug is discovered, it has to undergo animal and human trials to test it ADMET (Absorption, Distribution Metabolism, Excretion, and Toxicity) properties. Using tissue cultures to test drugs, such as cancer drugs, prevents the incidence of subjecting humans to the unknown adverse effects of the drugs before the drugs are determined to be safe for use.
Explanation:
Greenhouse effect, a warming of Earth's surface and troposphere (the lowest layer of the atmosphere) caused by the presence of water vapour , carbon dioxide, methane, and certain other gases in the air. Of those gases, known as greenhouse gases, water vapour has the largest effect.
Answer:
A PLANET
Explanation: BECAUSE THATS HOW WE GET DAY AND NIGHT PEOPLE IT TELLS YOU IN THE TEXT READ IT PAETTENTION