Which of these is an effect of space travel?

muscle shrinkage

decreased bone density

bone density increase

increase in muscle mass

How long does for one rotation of earth

When matter is transformed from a liquid state to the gas state the distance between the particals. and fhe attractive forces between the particals

What rock type does the principle of superposition apply to and how is the principle of superposition used to study the history of life on Earth?

An adiabatic expansion refers to the fact that:

5. The atmosphere is heated both by the Sun and by the Earth's surface. Water radiates heat differently than land, so the air temperature over the ocean is usually different than the air temperature over land.

Steam moves into a cylinder of a steam engine at a constant pressure and does 2.34 J of work on a piston. The diameter of the piston is 3.4 cm and the piston travels 4.6cm. What is the pressure of the steam?

Identify each type of simple machine.

A car's speedometer reads 20 m/s after accelerating, from a standing start, for 25s. What was the magnitude of its acceleration?

What happens to the period of a pendulum and the period of a spring as the amplitude of the oscillation increases? Briefly give an explanation for this relationship.

The element that is most abundant in earth is