Question

what is the major geographical feature in north africa, which covers every country?
nile river
amazon rainforest
sahara desert
mediterranean sea

Explanation:

The Nile River only flows through some North African countries, not all. The Amazon Rainforest is located in South America, not North Africa. The Mediterranean Sea borders only the northern edge of North Africa, not all countries in the region. The Sahara Desert spans across all North African countries, making it the major geographical feature covering every country there.

Answer:

Sahara Desert