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.
Answer: Decomposers is an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
Explanation:
I think it is because in the ocean the plankton produces most of the oxygen which is used by aquatic plants and plankton is a primary producer known as autotrops.
