The responsibilities of a scientists is ti discover new possibilities of the future and our world.<span />
There are two main<span> types of physical weathering: Freeze-thaw occurs when water continually seeps into cracks, freezes and expands, eventually breaking the rock apart. Exfoliation occurs as cracks develop parallel to the land surface a consequence of the reduction in pressure during uplift and erosion.</span>
I think the answer is A) policeman
because one of the cell walls functions is to protect the cell and control what enters and what leaves
Answer:
<u>The naming of cancers depends on both the factors.</u>
Explanation:
Different type of cancers are named on the basis of location of its origin.
-carcinoma, -sarcoma, -blastoma are the terms used as suffix, with the Latin or Greek word for the organ or tissue from where it had originated.
For example: Breast cancer is known as Ductal carcinoma of Breasts.
[<u> because it initiates from the tubes(ducts) that carry milk from breasts to the nipples, and carcinoma as suffix</u> ]
THe bacteria that lives in the nodules of legumes are the only ones able to fix nitrogen gas into ammonia, which is later fixed by other bacteria in the soil to nitrites and nitrates that the plants can use.
some bacteria also performs denitrification, which converts ammonia back to nitrogen gas, allowing the cycle to continue
