Q: Answer the question

What travels through the stem of a plant?

A: water and food

Q: Answer the question

Removing waste from the body is the primary function of which body system?

A: excretory

Q: Answer the question

The stages of evolution of a star are determined by the mass of the star at the beginning of its life cycle. Which stage of evolution is the oldest form of a massive star?

A:
neutron star