What is the name of the uppermost layer of the atmosphere why does it feel so cold there, even though the temperature can be very high

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

Along what geographical feature are most of the oil producing regions located

Find the mass of the cone using the triple beam balance. a. 543.0 g b. 542.0 g c. 504.28 g d. 502.8 g select the best answer from the choices provided a b c d