The global average atmospheric carbon dioxide in 2019 was 409.8 parts per million (ppm for short), with a range of uncertainty of plus or minus 0.1 ppm. Carbon dioxide levels today are higher than at any point in at least the past 800,000 years.The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Since our planet and its atmosphere form a closed environment, the amount of carbon in this system does not change.
Answer:
The nervous system
Explanation:
The nervous system comprises the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, consisting of the cranial, spinal, and peripheral nerves, together with their motor and sensory endings.
Explanation:
the oxygen that fish breathe is not the oxygen in H2O.Instead,the fish are breathing O2(oxygen gas) that is dissolved in water. ...Plus water is a lot heavier and thicker than air,so it takes a lot more work to move it around. please mark me braneliest
Yes, the color shown on the leaf gives you the pigment.
