What gas do plants need to make their own food through photosynthesis?

Which is a product of photosynthesis that animals require in order to breathe?

In photosynthesis, the Sun's energy is used to make ...
Most oxygen exits a plant through the _________ as a waste product.
In what part of a plant does the process of photosynthesis occur?
Plant cell structures called chloroplasts carry out _________.
What chemical found in plant cells is able to absorb and use the energy in sunlight to make food?
The loss of water through a plant's leaves is part of ____________
The tissue through which food from the leaves moves throughout the rest of the plant is ___________.
Which of the following is NOT a common nutrient for plants?
Explain how photosynthesis helps sustain life (keep life going) on Earth.