The layer of the ocean where temperature drops fastest is the

Brainliest goes to first explain why or why not in approximately 100 words. should scientists who identify genes and create new genetic engineering techniques have the right to patent their methods for their own profit?

What is thought to have caused the mass extinction at the end of the cretaceous period?

What would be he the strand of complementary dna produced be the strand of dna shown below> tcg aag