<u>ANSWER:</u>
The statement "the extreme pressure and freezing temperatures of the deep ocean make it dangerous to send humans to the greatest ocean depths" best explains why scientists depend on submersibles to study ocean features .
<u>EXPLANATION:</u>
- The oceans are so vast and deep that humans cannot withstand the pressure in depths.
- Submersibles are developed in such a manner that they can travel to the deepest parts of the ocean and study ocean life.
- Submersibles are vehicles that have the capability to carry humans as well to the deep ocean floors or these can be controlled in an automatic manner.
- The submersibles are provided with tools and technologies that can record ocean floor features and make their study possible.
Mountain chains and river systems generally run North-South throughout the continent thus making for formidable barriers to East-West expansion.
The ice caps are melting due to global warming which is being affected by the polluted air
Answer:
This week was chosen because it coincided with the birthday of Abraham Lincoln on February 12 and of Frederick Douglass on February 14, both of which dates black communities had celebrated together since the late 19th century.
Explanation:
On Feb. 2, 1990, in a dramatic concession to South Africa's Black majority, President F.W. de Klerk lifted a ban on the African National Congress and promised to free Nelson Mandela. In 1653, New Amsterdam — now New York City — was incorporated. [Most read] Health experts say not to hold out for a certain vaccine.
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Answer:
animal interference and vegetation, as well as limestone crystallization.
