Use the Hertzsprung-Russell diagram to determine which condition describes each star. Use the arrows to help locate the stars. 1. Betelgeuse
2. the Sun
3. Sirius B

A. The star can no longer support nuclear fusion because it has exhausted its supply of hydrogen.
B. The star’s hydrogen supply is running low, so it is fusing hydrogen from outside the core.
C. The star is experiencing nuclear fusion at its core.

the moon affects the earth gravitation ally, causing certain motions of that body and also producing tides in its ocean and atmosphere. the tidal wave in our atmosphere is, however, far too minute to be an effective cause in any known meteorological phenomenon.

explanation:

i think the answer would be b

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2