The _____ law of thermodynamics states that energy can't be created or destroyed. Two natural sources of energy on Earth are the _____.

Question

first, Sun and core of Earth
second, Sun and rock
second, Sun and biosphere
third, core of Earth and hydrosphere

Answer 1

The first law of thermodynamics states that energy can't be created or destroyed. Two natural sources of energy on Earth are the Sun and core of Earth.