Endocrince System m<span>anufactures hormones to regulate organ activity.</span>
<span>The Kinetic Theory of Matter states that matter is composed of a large number of small particles—individual atoms or molecules—that are in constant motion. This theory is also called the Kinetic-Molecular Theory of Matter. A simplified version of the theory is the Kinetic Theory of Gases.</span>
The nucleus is called the control center of the cell because it directs all of the cell's functions.
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<span>The answer is he discovered a new type of medicine that could treat infections. Through research and experimentation, Fleming found a microbes decimating mold which he would call penicillin in 1928, making ready for the utilization of anti-infection agents in present day human services. He was granted the Nobel Prize in 1945 and kicked the bucket on March 11, 1955.</span>
Answer:A
Explanation:earths gravity keeps it in orbit around the earth