Answer:
Created by photosystem one
Explanation:
Answer:
b
Explanation:
erosion is caused physically by earthquakes and stuff...hope this helps:))
Genes and environmental forces shape development, thereby many human characteristics are EPIGENETIC. This field (epigenetics) is the intersection between genes and the environment.
Epigenetics refers to the study of gene expression patterns that do not involve a change in the nucleotide (DNA) sequence.
Epigenetic mechanisms include DNA methylation, histone modifications and non-coding regulatory RNA pathways.
These epigenetic mechanisms work together with environmental factors to shape the development.
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Answer:
Warm front Forms when a moist, warm air mass slides up and over a cold air mass. As the warm air mass rises, it condenses into a broad area of clouds.
Answer:
Yes i<span>t is necessary for the testes to be kept below body temperature.
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Explanation:
Testes contain sperm producing cells which require an optimum temperature of 35.5 C for sperm production. Out side testes body normal temperature is 37C. In order to produce sperm the temperature will below the body average temperatue. thats why in summer the testes hang below the body in scrotum, while in winter it is in close contact with body due to low temperature.
