What are the tree basic cloud forms shown in figure 18-2

These are different types of clouds which are categorized on the basis of their height and structure obtained.

Cloud A: This type of cloud is known as stratus. These are lowest clouds.Their shape is like flat sheet of gases.

Cloud B: This type of clouds are known as Cumulonimbus clouds. These are clouds which come in the category of highest clouds. But there are types which are more higher than these clouds.There shape is like the boiling or elevation of gases from a point. They are thicker and can block sunlight.

Cloud C: These are highest forms of clouds and known as cirrocumulus, cirrus, and cirrostratus. They are broken sheets of gas layers. They can or can not block the light.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.