The smallest country in mainland Africa is The Gambia with a total land area of 10,689 km². It is enveloped by its neighboring country, Senegal.
Reptile scales are made of alpha and beta keratin and are formed from the epidermis
Answer:
100% sure it's A, a crack forms in oceanic crust
Explanation:
It happens in the following order-
1. a crack forms in oceanic crust
2. molten rock rises up through oceanic crust
3. molten rock solidifies at the center of the ridge
