Explanation:
Greenhouse effect, a warming of Earth's surface and troposphere (the lowest layer of the atmosphere) caused by the presence of water vapour , carbon dioxide, methane, and certain other gases in the air. Of those gases, known as greenhouse gases, water vapour has the largest effect.
Answer:
206 bones in human body
And
300 bones in new baby/child
2 respiratory system is mainly used for respiration which is allowing o2 in and pushing co2 out
One result of weathering of rocks is the formation of soils.
Since weathering of rocks breaks down the surface of rocks, it affects the ground beneath them. This in turn results in formation of various kinds of soils, so I'd say B is the correct answer.