Answer:
Ocean Dumping Ban Act of 1988 - Title I: Ocean Dumping of Sewage Sludge and Industrial Waste - Amends the Marine Protection, Research, and Sanctuaries Act of 1972 to prohibit all dumping of sewage sludge and industrial waste into the ocean after 1991.
Explanation:
...
Answer: directional selection
Explanation: Directional selection occurs when one end of the bell curve has a better fit than the other end. The end that has preferable traits in relation to the environment won't always be the same. The environment can change, and then the opposite end of the bell curve might become preferable.
Answer:
Standing wave
Explanation:
Standing waves are waves which crest amplitude does not change, so it appears the form is not changing.
they have specialised cells ?
Answer:
.............. what grade is this