Global warming, greater fossil fuel burning, and higher ocean water levels
<span>1 lb (.45 kg)
The recommended weight gain pattern for a woman whose prepregnant weight is within the normal range would be 1 lb (.45 kg) per week during the second and third trimesters. Underweight women should gain slightly more than 1 lb (.45 kg) per week. Overweight women should gain about 2/3 lb (.30 kg) per week.</span>
Answer:
Explanation:
The body's most important nonspecific defense is the skin, because it acts as a physical barrier to keep pathogens out. Even openings in the skin (such as the mouth and eyes) are protected by saliva, mucus, and tears, which contain an enzyme that breaks down bacterial cell walls.
