Answer:
False
Explanation:
Carbon dioxide is an important greenhouse gas found in the atmosphere. Since the start of the Industrial Revolution, record of the concentration of carbon dioxide in the atmosphere have been said to increase by more than about 45%. Recent records indicate concentration to be highest, of which has been linked to the cause of global warming and climate change.
Human activities such as burning of fossil fuels, bush burning, deforestation have lead to a remarkable increase in the concentration of carbon dioxide in the atmosphere.
The skin is the body's largest organ. 30% of the cardiac output goes to direct the flow of blood to the skin for cooling; the evaporation of perspiration will act to reduce body temperature. So, the skin receives approximately 30% of all the blood circulating through the body.When the body is at rest, this percent is 20%.
Answer:
C
B
C
Explanation:
hope its helped ............
The answer is true. They cannot only replicate themselves within cells, but they cannot outside of a cell.
