I believe the correct answer is Oxygen Gas.
The earth's atmosphere is made up of many different molecules, therefore including the gases. Some common gases are nitrogen, oxygen, and argon, which are only present in traces of percentages. And the gas that occurs as a result of photosynthesis is our answer, oxygen gas.
Hope I could help! :)
Answer:
Cells protect their DNA by enveloping it in a nucleus
Explanation:
Answer:
Tubules?
Explanation
The trachea, spiracle, and air sac are part of their respiratory system, Howeber, the tubules are what take away the carbon dioxide from their system. Im not sure if they produce the carbon dioixde. But they are a part of what removes the carbon-dioxide from their body.
Answer:
digestion; mouth, esophagas, stomach, small intestine, large intestine
Explanation:
www.niddk.gov/digestion-system-how-it-works
I do not know anything about he digestive system since I am only in middle school, learning about earth science, so I looked it up ad this website came up.
