Answer:
Quartz
Explanation:
<u>Quartz is a resistant mineral whose hardness is 7, according to the Mohr's hardness scale</u>. It is made up of silicon and oxygen and very abundant on the earth's continental crust, after feldspar. It is a very hard mineral that crystallizes in the hexagonal system.
<u>It cannot be scratched by a copper penny and also cleavage is absent. They are the most stable rocks that resist weathering and erosion</u>.
Thus, it is a very important mineral that forms the majority of sedimentary igneous and metamorphic type of rocks.
The theory of evolution states that all small species of organisms develop through natural selection and inherit peoples different abilities to survive. For example, abilities to survive, and reproduce.
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The roots of trees helps hold the soil together, so it's not a
Forests do in fact, yield useful products, fruits, lumber, animals to hunt, medicine tree, so it's not b
Forests do provide a habitat for many animals, so it's not c
SO the answer must be D. For reference, soil salinization is the process in which salt content increases in the soil.
Answer:
because I live In nepal i dont know but its tero bau
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