They produce it during photosynthesis
Answer:Most of this gas is hydrogen (about 70%) and helium (about 28%). Carbon, nitrogen and oxygen make up 1.5% and the other 0.5% is made up of small amounts of many other elements such as neon, iron, silicon, magnesium and sulfur.
Explanation:
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Fossil fuels are found in the outer-layer of the Earth called the crust.
Full phase occurs when the Moon is on the opposite side of the Earth from the Sun and we see only the illuminated side. On that day it rises as the Sun is setting and sets and the Sun is rising. ... Waning Crescent phase occurs when the eastern edge of the Moon is lit but most of the visible surface is dark.
Answer :
the air
Explanation:
The carbon dioxide required for photosynthesis comes from the air. It enters leaves through the stomata . Water enters the plant through the roots, and is transported to the leaves in the xylem .
