Answer:
Water is polar and oil is nonpolar so the substances won't mix.
Explanation:
Water is polar covalently bonded within the molecule. This unequal sharing of the electrons results in a slightly positive and a slightly negative side of the molecule. oils are nonpolar, so they will remain separate from molecules of a polar solvent such as water.
Phosphorus is an essential nutrient for plants and animals. Phosphorus is a limiting nutrient for aquatic organisms. Phosphorus forms parts of important life-sustaining molecules that are very common in the biosphere.
<em /> I believe it's gravity.
Answer:
C)All of the choices are correct.
Explanation:
The major blood types include; A, B,AB and O. Type A has A antigens, B has B antigens AB has both A and B antigens and O has neither.
A person's immune system produces antibodies against any antigens not found in his blood.
Before giving a blood transfusion, it is necessary to determine the blood type of the recipient and that of the donor so that blood can be appropriately matched. This is called blood typing. This helps prevent ABO incompatibility which might lead to several fatal symptoms and reactions. These include;
Fever and chills
Abdominal, back and chest pains
Jaundice
Nausea
Muscle pains
Systemic shock and organ failure.
