`<span> law of science that states that energy cannot be created or destroyed, but only changed from one form into another or transferred from one object to another.
</span>The right answer would be A)
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.
Answer - Genetic Engineering (Confidently Correct)
Reason - With Technology we can change the genetics of a species and help it adapt to it env. to survive longer and reproduce.
Answer: Using tissues that would have been disgarding after surgical procedure
Explanation: