Answer:
True
Explanation:
Smiling is considered as a universal sign of happiness. Smiling is something that makes a person happy internally. During birth babies smile. Some people smile even during sleep. It has been observed that when people are exposed to something they love or enjoy, they usually smile such as song, music, old photographs etc. Smiling is not a learned behaviour , it is considered as a sign of pleasure and openness across various cultures.
Hence, the given statement is true
By dividing the amount of work done by the time it takes to do it; by dividing energy used in a given period by time.
I believe it is b.) so amino acids.
An overlap in their niches
Aerobic respiration . Conversion of pyruvate into co2,h2o and 36atp