Answer:
i giess its ans is option b
Answer:
6.7 minutes
Explanation:
In a solid such as rock, the primary wave can travel at 5 km/sec; it would take 400 seconds, or about 6.7 minutes to travel 2,000 km.
A biodiversity
Hope this helps
Cells undergo mitosis because there must be a process in which the nucleus is divided in order for there to be a successful reproduction for cells.