B.
because the more car the more carbon dioxide is released in to the air
Answer:
a process used by plants to convert sunlight to energy
Answer:
The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes
Explanation:
Facilitated diffusion is the diffusion of solutes through transport proteins in the plasma membrane. Facilitated diffusion is a type of passive transport. Even though facilitated diffusion involves transport proteins, it is still passive transport because the solute is moving down the concentration gradient.
Answer:
hemoglobin
Explanation:
Cytoplasm of RBCs contain large amount of hemoglobin which contain iron binds to haem group. it carry and transport oxygen from lungs to all parts of body and return carbondioxide back to the lungs from the different tissues.
Normal level of hemoglobin for men= 13.5 to 17.5 g/dl and for women =12.0 to 15.5 g/dl
Low level of hemoglobin is the indication of anemia
