Answer:
Mechanical weathering is the physical breakdown of rock into smaller pieces. Chemical weathering is the breakdown of rock by chemical processes. … Ice can also cause mechanical weathering when water gets in cracks in rocks, and then freezes and expands
Explanation:
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Answer:
Alkanes
Explanation:
Compounds with a saturated hydrocarbon chain i.e having only single bonds between the atoms and is composed entirely of carbon and hydrogen is called as alkane.
The general formula of alkane is CnH2n+2.
Alkanes have no double or triple bonds and hence they have maximum number of carbon to hydrogen covalent bonds. While in case of alkenes there exists double bond and in case of alkynes exists triple bonds
Answer:
the correct answer is D
Explanation:
The density of gold is 19.4g/cm
Reading glasses helps with the Refraction of the light.
