Question

3. The gas necessary for making food by plants is
(a) oxygen
(b) carbon dioxide
(C) nitrogen​

Answer 1

Answer:

(b) carbon dioxide

Explanation:

During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. These sugar molecules are the basis for more complex molecules made by the photosynthetic cell, such as glucose.

Answer 2

Answer:

carbon dioxide

Explanation:

because chlorophyll can make food from carbon dioxide , water, sunlight