Sexual reproduction among members of a population results in
A) different types of alleles in the gene pool.
B) changes in the allele frequencies in the gene pool.
C) no changes in the allele frequencies in the gene pool.
D) an absence of genetic variation in the population.

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier