Question

which of the terrestrial planets is closest to the sun? a) mercury b) earth c) venus d) mars question 6 (5 points) how can you determine that a star is about to turn into a red giant? a) when the star falls into the sun b) when a large amount of hydrogen has been turned into helium c) when a large amount of helium has turned into hydrogen

Explanation:

Terrestrial planets are rocky - Earth, Venus, Mars, and Mercury. Mercury is the closest to the Sun. For a star to turn into a red giant, it runs out of hydrogen fuel in its core. When a large amount of hydrogen has been fused into helium in the star's core, it starts to expand and become a red giant.

Answer:

Question 1: A. Mercury
Question 2: B. When a large amount of hydrogen has been turned into helium