Answer:
C
Explanation:
Arrow 1 represents the promoter for RNA II.
Answer:
The specimen are placed in vacuum while examining the cells or living organisms. Also, the electron must penetrate inside of the cell and in such conditions, any living organism is not able to survive. Thus, this reason best explains the answer to why dead cells specimen must be used for Transmission electron microscopy.
Explanation:
I think C, correct me if I’m wrong.
Answer:
Diamond is the hardest mineral
Explanation:
mohs scale has been used worldwide to test the hardness of a mineral.Because it is cheap,easy to do and understood instantly. Other hardness test never gain that much popularity as Mohs scale.Its a relative integer scale comparison of being scratched. Other hardness test in which a specific pressure applied for a specific length of time.An example of a mineral with variable hardness is kaynte. Another best example is diamond with variable hardness people who cut diamond have known its variable hardness, In Mohs scale of hardness diamond 's position is number 10-10000 is its hardness.
