Making changes in the dna of organism is called mutation
Answer:
D Reasoning.
Explanation:
The key here is that it involves scientific investigation. This must be done without bias or personal history, which only serve to taint the results. Mythology is a religion and has no place in the interpretation of scientific results.
Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.
