What are calciums some of its mane uses?

What portions of the visible spectrum benefit photosynthesis the most? In which form is oxygen transported in the blood to the tissues? If carbon dioxide increasesthe ocean's ability to absorb carbon dioxide declinesresulting in more acidic ocean.What species is the most at risk in acidic ocean? How do Nutrients get into our bodies? What joint is used in a star jump? Instead of blue what color might the sky be on a tropical island? What in a microscope uses a beam of visible light passing through one or more lenses to magnify an object? If water is a good conductor of electricity then if live electric wire comes in contact with sea or ocean then will all fishes or any person touching the water get electrocuted? How long does it take for Uranus yo rotat arouned the sun? What are type of plastic are Warhammer models made from? 64 fl oz equals how many quarts? What is rigid floor diaphragm? How long would it take for mold to eat away a wood framed building? What education is needed to become a pilot? Bacterial cells which have been transformed with a plasmid are allowed to grow so that they the plasmids everytime they divide? What are the narrow belts of fast moving air at the higher levels of the truth photo sphere called? What do we have 8 of in the body? Was the big bang a nuclear reaction? When was 4600 million years ago? What is the most common isotope for selenium?