Answer:
Winter and Summer season
Explanation:
The season occurs on earth because of the tilt of the earth's rotational axis. There occurs variation in season from one place to another depending upon various factors, in both the northern and the southern hemispheres.
In the higher latitudinal areas, in both the hemispheres, there occurs winter and summer season. During the time of winter in the northern hemisphere, the earth comes closer to the sun, but because of the tilt of the earth's rotation axis, it can reflect the majority of the incoming solar radiation back into space. The winters are usually characterized by the occurrence of low average temperature and the duration of daylight is much shorter.
On the other hand, during the time of summer, the earth is at the furthest from the sun, but most of the solar radiation easily enters the earth's atmosphere. It is due to which the average temperature increases and the duration of daylight are longer.
No, only some are caused by cancer.
Benign tumors are noncancerous and malignant are cancerous.
A supportive cell in the central nervous system. Unlike neurons, glial cells do not conduct electrical impulses. The glial cells surround neurons and provide support for and insulation between them. Glial cells are the most abundant cell types in the central nervous system. Types of glial cells include oligodendrocytes, astrocytes, ependymal cells, Schwann cells, microglia, and satellite cells.
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Oh god so many. First off, because the produce is being modified from its original/natural state, it does not fit in with environment. Meaning you have organisms (plant and animals) that go extinct and what not. Also there are certain chemicals that are not supposed to be present in this produce, and that not only affects people, but those pollutants infect the soil/plants/water/animals. Everything is a system, and when you tamper with it, it goes out of balance. But those are some of the things I can list. Hope it helped