Consider the following statements 1 Temperate grasslands of Africa have short and nutritious grasses...........

Explanation:

1, 2 and 3

Temperate grasslands of Africa have short and nutritious grasses.

This statement is correct. The temperate grasslands of Africa, often referred to as savannas, are characterized by short grasses that are adapted to the region's climate and grazing by herbivores.

Coniferous Forests have tall, softwood evergreen trees.

This statement is correct. Coniferous forests are dominated by tall, softwood, needle-leaved evergreen trees, such as pine, spruce, and fir.

Temperate evergreen forests are commonly found along the eastern margin of the continents.

This statement is correct. Temperate evergreen forests are commonly found along the eastern margins of continents, such as the eastern coast of North America, eastern coast of Asia, and eastern coast of Australia.

Therefore, the correct option is 4 (1, 2, and 3)