Carbon burns in the presence of oxygen to give carbon dioxide. which chemical equation describes this reaction?
a carbon + oxygen + carbon dioxide
b carbon + oxygen → carbon dioxide
c carbon dioxide → carbon + oxygen
d carbon dioxide + carbon → oxygen

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

answer; 4 electrons;