Concentrated acids should be handled with extreme care since they are ultimately corrosive. They emit acidic mists that are harmful. If the acid comes into contact with your skin, eyes or even internal organs, the damage can be very serious that it can even lead to death. Therefore, there is a need to use protective equipment when dealing with these chemicals. <span> </span>
Answer:
C
Explanation:
Natural Selection can cause micro evolution, or a change in allele frequency over time
<span> Erosion is a natural process, though it is often increased by humans’ use of the land. Deforestation, overgrazing, construction, and road building often expose soil and sediments and lead to increased erosion. </span>
Yes, the human body is composed of approximately 60% of water. The given statement is true.
Water is essential for human health and for the survival of life on earth.
It keeps them alive, stale and healthy by providing oxygen and chief nutrients to the body.
It lubricates joints, knees and also removes waste materials from the kidney, and keeps them clean.
In adult humans, there is approximately 60% of water in their bodies.
The concentration of water is more in lean tissues than in fat tissues.
Women's bodies have more fats than men and water makes up only 55% of their bodies.
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