Ca+2 , the plus 2 indicates the loss of 2 electrons
The attractive forces that hold molecules together are electrostatic forces, when particles move fast enough, these forces can no longer keep particles together.
The forces that hold molecules together in a given state of matter are purely electrostatic forces. These forces keep the molecules together in a given state of matter.
Recall that the molecules of a substance are in constant random motion. When particles move fast enough, these forces can no longer keep particles together.
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Answer:
Woman's genotype is AO
Man's genotype is BO
Explanation:
For a woman with blood group A and a man with blood group B to give birth to a child with blood group O. Their genotypes will be:
Woman's genotype is AO
Man's genotype is BO
The can have a child with blood group A, B, AB and O
1/4 will have type AB blood group;
1/4 will have AO, which is type A blood group;
1/4 will have BO, which is type B blood group;
1/4 will have OO, which is type O blood group
<span>Since mature red blood cells do not contain a nucleus, more room is available for Hemoglobin. It is a protein that is used in transporting oxygen and is extremely important for the body. </span>
Answer:
continuous supply of oxygen to the cells. oxygen is extracted from the atmospheric air in the lungs, and carried by the bloodstream through the circulation to the tissue