Which process causes the greatest depletion of oxygen from the atmosphere? Group of answer choices

weathering and oxidation

decay and bacteria

fossil fuel combustion

respiration of air breathing organisms

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

What forms when chemical reactions combine pollution with sunlight?

What is the molar mass of potassium nitrate, kno3