Question 47 (1 point) The cause of salinity in oceans is mainly from a process k

Question

Question 47 (1 point) The cause of salinity in oceans is mainly from a process known as of rocks (must be spelled correctly) Question 48 (1 point) Ice forms in oceans at 28.58 deg F, instead of 32 deg F, due to salinity True False Question 49 (1 point) Ocean surface currents are steered primarily from gyres. True False Question 50 (1 point) The pycnocline is an oceanic layer approximately 1km thick below mixing layer and has a dramatic increase in salinity and rise in temperature with increasing depth. True False Question 51 (1 point) Ocean currents help to redistribute energy and nutrients in the Earths systems True False

Explanation / Answer

47.

Answer: The cause of salinity in oceans is mainly from a process known as chemical erosion of rocks.

48.

Answer: True

Explanation: In generally, ice can form at 28.580 F in the oceans, but due to the salinity, it can be formed at 320 F.

49.

Answer: True.

Explanation: Gyres are the large circular patterns, which are formed by the surface ocean currents.

50.

Answer: False

Explanation: Rise in temperature in the pycnocline decrease salinity in the oceans.

51.

Answer: True

Explanation: In the ocean cycle, ocean currents help to redistribute energy and nutrients in the Earth systems.

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