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Answer:
Relaxation of the dartos muscle.
Explanation:
Testes are present in scrotum outside the pelvic cavity to maintain the temperature about 2-3 degrees Celsius below the body temperature as required for sperm production. Dartos muscle is the layer of smooth muscle located in the superficial fascia. The contraction of dartos muscle serves to make the skin of the scrotum wrinkled and tight.
During hot weather, the dartos muscle relaxes and makes the surface of scrotum less wrinkled to increase the loss of the heat from its surface. The increased heat loss from the surface of scrotum due to relaxed dartos muscles keeps the testes protected from heat.
Answer:
B. Begin dividing and growing larger.
Explanation:
When the sperm and egg cells fuse during fertilization they form a zygote. The zygote then starts to begin to divide rapidly and start growing larger and bigger.
After this process the cells then begin to become differentiated and the parts of the body now become more visible and pronounced.
They discovered the structure, which is 2 nucleotide chains linked together to form a helix
Fossil fuels are often not found in mountainous areas because mountainous areas are very difficult to mine.
- C. because areas with mountains are very difficult to mine.
<h3>Why is it difficult to extract oil from the mountains?</h3>
Because they are soils of volcanic origin or tectonic plate collisions, the soil is much more difficult to be mined due to the large amount of rock.
With this information, we can conclude that the soil is much more difficult to be mined due to the large amount of rock.
Learn more about Fossil fuels in brainly.com/question/2029072
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