Answer: c is the answer
Explanation: it the answer because spud waves travel without the air u hear it
Epiphytes show commensalism.
The minerals are mostly characterized by the <u>Physical</u><u> </u><u>properties</u><u> </u><u>(</u><u>D</u><u>)</u> which includes the hardness, lustre, density etc. The mineralogists check the detailed view of minerals by using high powered microscope.
The minerals are chemical compounds which are formed as a result of physical processes or geological processes. They mostly occur in crystalline form. <u>For Example:</u> Cacite, Sulfur, Quartz etc
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Answer:
9 th qn answer us 4th option(D)
and 10 th qn answer is 3rd option (C)