Discuss how latitude and climatological processes affect seawater salinity
What will be an ideal response?
Precipitation in the form of rain and snow decreases ocean salinity by adding fresh water to surface ocean water. Similarly, river runoff and sea ice melting (such as icebergs) also add fresh water to the surface ocean decreasing salinity. Evaporation increases the salinity of the surface ocean because water evaporates from the ocean increasing solute concentration. When sea ice forms only water freezes in ice formation leaving the salt ions behind, increasing the sea surface salinity. Note: There is a small amount of salt in frozen seawater.
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How does acid deposition form, and what are three important impacts that it has on the environment?
What will be an ideal response?
The pupil of your eye is a net
A) absorber of radiant energy. B) emitter of radiant energy.
Which of the following locations is NOT a major population cluster within sub-Saharan Africa?
A) the Namibian Desert
B) the coastline of West Africa (Ghana, Ivory Coast, Senegal)
C) the rift valleys of Ethiopia
D) the lake District of Rwanda, Burundi, Uganda and western Kenya
E) the Niger Delta of Nigeria
What is the smallest number of carbon atoms that can be present in an aldehyde?
A) 1 B) 2 C) 3 D) 4