A mineral<span> or rock that contains a </span>useful substance<span> that can be mined for a profit. metallic elements that turn into liquid, flow into weaknesses in rocks, and become solid in the rock.</span>
Answer:
Quadrilateral angled polygons ( Quadrangles )
Answer:
Because atmospheric nitrogen can't be used by plants and animals. ... Why are bacteria important to the nitrogen cycle? because when bacteria converts ammonia into nitrate and nitrite, producers need them to make proteins and then consumers eat the producers and reuse the nitrogen to make their own proteins.
Explanation:
Regur soil, also called black cotton soil. It is mainly found in the Deccan region of India. It is made up of lava flow, that is igneous and metamorphic rocks. (i) It is rich in soil nutrients like potash , lime, calcium carbonate, magnesium carbonate etc, but poor in phosphoric content.
The Earth gets its heat from the sun.