A group of butterflies is officially called a kaleidoscope, although they are sometimes referred to as a swarm. site is called
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Answer:
D. Planting only red pine trees to replace native hardwood forests cut for lumber.
Explanation:
I majored in Biology
Answer:
Igneous rock
Explanation:
Igneous rock is formed as liquid rock in the form of magma or lava cools. In this case, the water represents lava or magma. Freezing the water changes its phase from a liquid to a solid, similar to the changing of liquid rock (magma or lava) into solid rock.
Answer:
Parathyroid hormone is released when dietary calcium levels are low.
Explanation:
Parathyroid hormone is considered to be a vital hormone involved in regulating the calcium levels of the body. The hormone is secreted by parathyroid glands which are located behind thyroid glands in neck region. This hormone regulates the calcium level of the body by putting its action through bones, intestine and kidneys.
In actual there is a negative feedback system in the body through which parathyroid levels are controlled. When calcium levels in the blood get very low, the gland is stimulated to secrete more parathyroid hormone while when calcium is very high in the blood, it prevent the release of parathyroid hormone.
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Answer:
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