What is the term for a break in the skin surface or mucous membrane that exposes underlying tissues:

Open wound

Explanation:

A wound refers to an injured portion in the body which can be categorised into two types: the open and closed wound.

The open wound is the wound which is caused when an injury occurs in the skin and exposes the internal tissue and parts of the body while closed wound does not expose the internal parts of the body.

Thus, the open wound is the correct answer.

"d.) carbon dioxide and hydrogen sulfide"

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.