E. Answer the following questions.
- What are the temperature zones also called heat zones?
Answer: The temperature zones, also called heat zones, are areas of the Earth that have different types of climates. They are divided based on how much sunlight they receive.
- Desert areas have very few cities. Why?
Answer: Desert areas have very few cities because they are very dry and hot. There is very little water, and it is hard to grow food or live comfortably in deserts.
- Write one or two sentences about:
(a) Desert plants
Desert plants like cactus have thick stems to store water. They also have spines instead of leaves to save water.
(b) Coniferous trees
Coniferous trees have needle-like leaves and grow in cold areas. They stay green all year and can survive snow.
- Why is farming not possible in the frigid zone?
Answer: Farming is not possible in the frigid zone because the land is covered with ice, and it is too cold for plants to grow.
- Explain why the number of bison in North America was greatly reduced.
Answer: The number of bison in North America was greatly reduced because people hunted them too much. They were also killed to make space for farms and railroads.