Answer:
Human various activities like burning fossils and huge land cover changes contribute to increasing the carbon dioxide of atmosphere.
Explanation:
- Carbon dioxide level in atmosphere is increasing naturally by organism respiration, decay, volcanoes erupt and carbonated rocks are weathered.
- Human activities like, urbanization, deforestation, vegetation pattern changes results in changes to reflectivity of earth surface and emmision through burning fossils fuels/forest and cement production are causining an increase in atmospheric carbon di oxide level. When fossils fuel burn the carbon combine with oxygen to form CO2.
- All these processes ultimately contribute to global warming.
Hoping this might be helpful...!
Answer:
B
Explanation:
Evolution is the idea that species change over time and natural selection is a mechanism by which evolution takes place
Answer:
The correct answer from the provided option is D.
Explanation:
The evidence that supports the vitamin D hypothesis for the evolution of lighter skin tones is indigenous peoples living at high latitudes have darker skin, but they eat foods rich in vitamin D.
This shows that consuming food rich in Vitamin D is not the only factor that determine the skin color as indigenous people live in high latitude areas and consume food rich in vitamin D and still have darker skin.
Answer:
The muscle tissue shortens to performs it's function which we know as muscle contraction
Your kidneys have to most direct effect on your circulatory system. Your heart pumps the blood into your kidneys and your kidneys keep your blood clean. without your kidneys, your blood would contain too much waste and water. without your heart, your kidneys wouldn't have the oxygen filled blood needed to do its job.
