The correct answer is graft the scion onto a good rootstock
It is answer A, the hippo is not benefitting from the catfish, therefore it is not mutualism.
It won't move until a kick (outside force) is applied because the rock has more friction it stops the ball more easily.
Answer:
The relative age of a rock then is its age in comparison with other rocks. If you know the relative ages of two rock layers, (1) Do you know ...
Explanation:
