Answer:
False
Explanation:
Our cells are dying every minute, and our body is making more to compensate for the losses. In fact, about 70 billion of our cells die each day!
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1) they have similar chemical properties.
for example fluorine from the 17th column is a non metal so does all the elements of that group.
2)they have same valence electrons in their outermost shell
example
electronic configuration of
hydrogen 1, lithium 2,1, sodium 2,8,1 and so on.
3) have same valency.
Answer:
Sand is a solid
Explanation:
Sand has the ability to be poured like a liquid and take the shape of its container. It is still a solid, as each individual grain of sand has a shape of its own and keeps that shape
The answer is D.They make proteins for the body.
Answer:
enzyme activity be affected by a variety of factors such as temperature,pH, concentration