<span>Women's mean hemoglobin levels are about 12% less than the mean hemoglobin levels of men. This sex-related difference is observed in many species of animals, such as birds and reptiles. It's believed this difference exists in humans between males and females because men have larger bones, which means they would have more blood cells producing bone marrow. Additionally, men's kidneys have a larger diameter than women's kidneys, which would lead to increased red blood cell production.</span>
Answer:
Some benefits of plastic are that plastic packaging helps protect and preserve goods, while reducing weight in transportation, which saves fuel, reduces greenhouse gas emissions and are low in cost.
Some disadvantages are that toxic chemicals can leach out of plastic and can be found in the blood and tissue of nearly all of us. Exposure to them is linked to cancers, birth defects, impaired immunity, endocrine disruption and other ailments
B. and I get you the one who made up this question is dump -_-
Answer:
A concentration gradient occurs when the concentration of particles is higher in one area than another. In passive transport, particles will diffuse down a concentration gradient, from areas of higher concentration to areas of lower concentration, until they are evenly spaced.
Explanation:
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