Answer:
A. Less than 5%
Explanation:
The correct answer choice would be "A," because many people just don't use agriculture to make a living. Our world has been industrialized, for the most part, and has developed by a huge amount all over the world.
Answer:An ice age is a period of colder global temperatures and recurring glacial expansion capable of lasting hundreds of millions of years.
Explanation:These global cooling periods begin when a drop in temperature prevents snow from fully melting in some areas. The bottom layer turns to ice, which becomes a glacier as the weight of accumulated snow causes it to slowly move forward. A cyclical pattern emerges in which the snow and ice traps the Earth’s moisture, fueling the growth of these ice sheets as the sea levels simultaneously drop.
It could cause drought and famine I believe
B. The curtains on the windows of a bedroom.
The rest of the choices are not man-made which would not be infrastructure.
