The Second Law because the Sun provides energy to the Earth, thus making it unable to be an isolated system.

The Second Law because the entropy on Earth can only increase.

The First Law because all energy on Earth originates from the Sun.

The First Law because no energy escapes from Earth, it stays on the planet indefinitely.

When energy is converted to another form, the energy quality will decrease and energy cannot be recycled to a higher efficiency.

Energy can be neither created nor destroyed.

Energy cannot be created, but it can be destroyed in the process of converting to another form.

Energy can be converted from one form to another but no energy is lost in this process.

Energy cannot be destroyed, but it can be created.