When blood flows into the right atrium of the heart from the body, it contains A)little oxygen and a lot of carbon dioxide
B)a lot of oxygen and little carbon dioxide
C)a lot of both oxygen and carbon dioxide
D)little of either oxygen and carbon dioxide

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.