Because any other substance couldn't carry the heat and the amount of surface area gives it more of an opportunity to cool down
The Precambrian eon is separated from the Phanerozoic eon in the fossil record because of the sudden appearance of organisms.
Explanation:
Precambrian eon is the initial existence on earth that can be predicted by the study of rocks and remaining of fossils. It has been seen as the existence of skeleton in this era, before this era no such things has been observed, even the development of sexual reproduction.
The Phanerozoic era comes after the Precambrian era, more advanced kinds of fossils of animals had been observed in this era. Phanerozoic era period of life on earth. Large organisms sudden appearance are seen in the Phanerozoic era i.e. First dinosaurs, mammals, fishes, angiosperms,first vertebrates etc.
Answer:
B.) metamorphic
Explanation:
Metamorphic rocks come from other kinds of rocks, like igneous and sedimentary. They are created by intense heat and high pressure.
Answer:
Water leaves the cell by osmosis, the cytoplasm pulls away from the cell wall and the cell becomes flaccid making the plant wilt
