Author Question: Which of the following describes a primary role of global circulation cells in a planet's ... (Read 40 times)

joblessjake · **on:** Jul 27, 2018

Which of the following describes a primary role of global circulation cells in a planet's atmosphere?

A) They transport heat from the equator toward the poles.
B) They create severe weather such as thunderstorms.
C) They cause air to be diverted into hurricane-like swirls.
D) They keep the poles cold enough to have polar caps.

Question 2

What is the reason a type-I supernova slows its dimming after about 2 months?

A) The planetary nebula cooled enough to form a dust shell.
B) Energy is released from the decay of radioactive cobalt 56 to iron 56.
C) The supernova remnant suddenly becomes transparent.
D) The burst of energy carried by neutrinos is finally observed.
E) Energy from the supernova's shock wave is released as it hits interstellar matter.