Question

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


A. first, Sun and core of Earth
B. second, Sun and rock
C. second, Sun and biosphere
D. third, core of Earth and hydrosphere

Answer 1

the correct answer to your question is A, first, sun and core of the earth I hope this helps you out, let me know if its right. Im 100% I am. 

Answer 2

Answer:

Option A, first, Sun and core of Earth

Explanation:

According to first law of thermodynamics,  

An energy can never be created nor destroyed, it can only be converted from one form to other and therefore the first law of thermodynamics is known as law of conservation of energy.  

There are only few energy sources for planet earth – Solar energy, gravity, rotation of earth and radioactive energy

Solar energy is the prominent source of energy that drives several natural process like winds, hydrologic cycle, biosphere ecological cycle , and also derives the overall climate system . While the earth core causes gravitational force which is very essential for several natural process like rotation, tides, etc.