Identify TWO immediate impacts if the world was to run out of water. Outline each of these impacts in 2-3 sentences each.

How do oceanographers measure the salinity of ocean water?

These issues present challenges for regional urban areas. select all that apply. -housing availability -inadequate services -pollution -reduced population -rural migration

Explain the reason for having an equator and a prime meridian. how do these two lines us to navigate our world? describe your opinion in at least two to three sentences.