How have submersibles benefited ocean exploration?
a.
they allow exploration of arctic waters.
b.
they reduce the expense of ocean exploration.
c.
they allow the deep ocean to be explored.
d.
all of the above

Correct C). They allow the deep ocean to be explored.

Due to the development of submarine technology like a submersible, the deep sea exploration is possible. Previously it was hard to believe that in the deep sea life exist, but due to the development of submersible, it showed that it is possible. It enabled the scientist to advance their studies in the field of deep sea surveying, marine ecology etc.

Hence, the correct answer would be option C

C).

They allow the deep ocean to be explored.

Explanation:

Ocean Exploration

Edge 2020

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.