FOSSIL FUELS FORMED DEEP UNDERGROUND FROM... A. HEAT FROM THE SUN B...

7. - DE THI THU TN CHO HS MIEN NUI
Tiếng Anh DE THI THU TN CHO HS MIEN NUI
7. Fossil fuels formed deep underground from... A. heat from the sun B. dead plants and animals C. oil and gas D. earth and rock