What are the properties of mica?

Recall and complete the following concept map.

How does wind help in regulating the temperature of the earth? 

Correct the following sentence by changing the underlined word.

Ores are the building blocks of all rocks.

Fill in the blank using the option given in the bracket:
[sand, minerals, water]
Gneiss glitters because it contains _____.

Fill in the blank choosing the correct word given in the brackets:
(fertile, thousands, roots, moles, particles)

It takes _____ of years for rocks to become soil.