Among humans more boys are born than girls, but women have significantly higher life expectancies. What is the significance of this?

This trend means that men have a higher mortality rate than women. While men start out as a larger percentage of the population, their higher mortality rate means that among the elderly, women are a larger percentage of the population than men.

Explanation:

just took the test

fabric is silk wool ext. paper isnt

explanation:

u cant make fabric out of paper cause paper comes from wood while fabric comes from animals

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.