Answer:
C. Varieties of an element that differ only in the number of neutrons are called isotopes.
Explanation:
The Earth is approximately 
old. The solar system formed from giant gas clouds which was a part of the solar nebula.
The surface of soil which demarcates two soils of different geological ages is called a unconformity.
Palesol is the soil that lies between sediments or volcanic deposits. If the paleosol is older they have lithified rock.
Hence, option C is true.
Answer:
True
Explanation:
According to the Japanese, emotions are identified in the hara, which means the abdomen or the guts. American on the other hand are of the opinion that emotions come from the heart. However, other cultures are of the belief that emotions come from the intestine or other internal or external part of the body.
Answer:
The authors of Goals Gone Wild, have identified several specific negative side effects associated with goal setting: “An overly narrow focus that neglects non-goal areas; a rise in unethical behavior; distorted risk preferences; corrosion of organizational culture; and reduced intrinsic motivation.”
Explanation:
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