Answer:C. There will be an increase in variety of the shape of the B and T cell receptors allowing them to recognize and destroy more pathogens
Explanation: usa test prep
Answer:
i need help no really i need help too!
Explanation:
Answer:
mass
Explanation:
the chemical formula for water is H20 which means every molecule of water has 2 atoms of hydrogen and one atom of oxygen. Here comes the key part. from the periodic table of elements one sees that one mole of hydrogen atoms weight 1 gram while one mole of oxygen weights 16 grams.
Yes biotic means living or once living. it was living at one point so yes its biotic