Well a person breathes harder when he/she exercizing because you are working hard and your body is not used to it so your trying to pass more air through the lungs
VvWhich city benefitted the most from the Silk Road? Paris Tokyo Constantinople Cairo
Because fossil fuels are like dead plants, coal, oil that have been in the ground for a while that can be used for gasoline, and other things. while fossils are like prehistoric animals, and historic discoveries like bones
Hello!
Your answer is D.
"treeless, permafrost, cold dark winters"
A tundra is a large stretch of land usually near mountains, it is often snowy and very cold. It has small dunes and little to no life besides grass and some animals.
Hope this helps!