FOSSIL FUELS FORMED DEEP UNDERGROUND FROM... A. OIL AND GAS B. EAR...

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