Answer:
A
Explanation:
Carbohydrates is your body's main source of energy. They help to fuel your brain, your kidneys, your heart muscles, and your central nervous system.
Answer:
greenhouses= desert
terrace forming=mountains
alley cropping= rain forest
hydroponics=desert
Explanation:
The lining attached to the lungs is called the visceral pleurae.
Evolution would least likely be a cause of natural selection.
Natural selection has to do with the survival of the fittest. Therefore, adaptation, variation, and overpopulation all have an impact on natural selection - those who do not adapt to their new surroundings due to overpopulation or those whose bodies have not modified enough will not survive.
Answer:
Consider substances that can easily diffuse through the lipid bilayer of the cell membrane, such as the gases oxygen (O2) and CO2. O2 generally diffuses into cells because it is more concentrated outside of them, and CO2 typically diffuses out of cells because it is more concentrated inside of them.