Oceanography Test 1

what is the most common salt in sea water?

sodium chloride

what are two important ocean nutrients?

Nitrates and Phosphates

what can ocean nutrients cause?

algae to grow

brackish water

water less salty than the average ocean

as what temp is water most dense?

4 degrees celcius

what end of the color spectrum penetrates the deepest?

blue

what end of the color spectrum penetrates the least?

red

what were the gases of the first atmosphere?

Carbon dioxide, nitrogen, methane, and ammonia

what does the big bang theory explain?

how the universe was formed

what was the correct order for the development of the bing bang

big bang, stars, solar system, and then the earth

what were the 1st and 2nd life on earth?

single celled organism and an aerobic prokaryote

what energy source formed organic compounds?

sunlight though photosynthesis

how can you distinguish between organic and inorganic compounds?

organic compounds have a backbone of carbon

when did the big bang occur?

13.8 billion years ago

when did the earth form?

4.5 billion years ago