Oil and water separate because they have different densities.
Answer:
A a living thing that has undergone a mutation.
Explanation:
Electric field , and if that’s wrong it should be electric force . Those are the only two that make sense
Answer:
Option (2).
Explanation:
Ecological succession is the change in the ecological community of the species with respect to time. Two types of the succession are secondary succession and primary succession.
The ecological succession includes various transitional stages before reaching to the climax community. The simple species acquires first and then the climax species is reached at the end of the succession. Different changes are involved in the formation of climax community.
Thus, the correct answer is option (2).
