Russia's population density is 8.4 people per square kilometre (22 per square mile), making it one of the most sparsely populated countries in the world.
Answer:
Plasma carries water, salts and enzymes.
Explanation:
The main role of plasma is to take nutrients, hormones, and proteins to the parts of the body that need it. Cells also put their waste products into the plasma. The plasma then helps remove this waste from the body.
What <span>substances it depends plants make there own glucose by using sunlight and CO2. It then releases Oxygen </span><span />
Answer:
protiens
Explanation:
Proteins, among the most complex of all organic compounds, are composed of amino acids which contain carbon, hydrogen, oxygen, and nitrogen atoms.