What is the source for geothermal energy? question options: the sun earth's internal heat moving water biomass

Hydrogen and helium are both members of?

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water