Desert ,tender ,grassland, and chaparral are examples of in north america

a. river systems
b. industries
c. ecosystems
d. plateaus and basins

In a world that produces enough food for every human, why is the distribution of food consumption and production so unequal? in a few sentences, explain why production and consumption of food is lower in the least-development countries (ldcs).

What part did glaciers play in forming the great lakes?

Which is a possible result of higher air temperatures caused by global warming? a. increase in sea level b. freezing of polar ice caps c. rapid evaporation of water in the soil d. flooding of low-lying coastal areas