Marine Science Water

Question 1

Explain how water molecules bond to each other. What makes water apolar molecule? Draw some!

Accepted Answer

+ and negative ends, correct formula H2O, covalent bonds

Question 2

Most marine scientistsbelieve that

Accepted Answer

that the ocean is becoming no more or less salty.

Question 3

Diffusion affects marine life cause salinity causes osmotic pressure tween cells and outside.

Accepted Answer

True

Question 4

What is a polar molecule?

Accepted Answer

molecule with apositive charge and a negative charge

Question 5

What is salinity?

Accepted Answer

all the inorganic dissolvedsolids in seawater

Question 6

What is a solution?

Accepted Answer

uniform appearance, evenly distributed throughoutanother

Question 7

Carbon is fundamental toall life because

Accepted Answer

it provides a versatilefoundation for diverse chemicals

Question 8

The higher the salinity the_____ the density

Accepted Answer

higher

Question 9

Aside from hydrogen andoxygen, the most abundant chemical in seawater is

Accepted Answer

chloride

Question 10

If ice did not float theEarth’s climate would be different because the ocean would befrozen .

Accepted Answer

True

Question 11

What is the principle of constant proportions?

Accepted Answer

regardless salinity,proportion inorganic solids stays same

Question 12

The colligative properties of seawater are

Accepted Answer

characteristics causedby the dissolved solids in seawater

Question 13

Organisms use nitrogen

Accepted Answer

for compounds like proteins,chlorophyll, and nucleic acids.

Question 14

What concerns can you envision regarding evaporation remove water but leave behind the salts?

Accepted Answer

The ocean gets saltier, Ecotourism might plummet, Fish might die

Question 15

Whatconcerns can you envision regarding pollutants that break down surface tension?

Accepted Answer

Water could evaporate and the planet could get hotter, Bugs couldn't walk on water anymore, Pollutants could cause death to living things

Question 16

_____ is fundamental to alllife

Accepted Answer

Carbon

Question 17

Phosphorus is essential tolife because

Accepted Answer

it is an importantcomponent to DNA and other nucleic acids

Question 18

Testing salinity depend principle o constant proportion 'cause theymeasure the Cl in seawater.

Accepted Answer

True

Question 19

What concerns can you envision regarding industrial processes thatheat water in a local area?

Accepted Answer

Can boil animals alive, Can cause harmful bacteria to flurish, Can cause climate change

Question 20

Silicon is important tosome marine organisms

Accepted Answer

because it is used forshells and skeletons in some organisms

Questions 20