I think A. It’s the only one that’s really makes since for this question.
Answer:
Most of the stars in our galaxy are made of hydrogen gas.
Answer: Condensation
Water vapor is water in a gaseous state. Transformation of water into gaseous state
(water vapor) is called evaporation. Transformation of the water vapor into dew
which Michael observed in the early morning is called condensation.
Dew<span> is water droplets
that appears on exposed objects like
leaves in the morning or evening due to condensation</span>
Might be gene regulation, the process of turning genes on and off in normal development