hydrosphere

Question 1

the hydrosphere

what it is + types of water

Answer 1

the combine mass of water on/under/over the surface of the earth | freshwater;saltwater;groundwater&watervapour

Question 2

% of earth that is water

Answer 2

71%

Question 3

% of water that is saltwater

Answer 3

97%

Question 4

% of water that is solid ice

Answer 4

2.2%

Question 5

% of freshwater

(available)

Answer 5

+/-1%

Question 6

importance of the hydrosphere

part of living cells

Answer 6

all chemical reactions take place in water in the cell

Question 7

importance of the hydrosphere

provides a habitat

Answer 7

gases & nutrients dissolve in water allowing plants and animals to live in it

Question 8

importance of the hydrosphere

regulates climate

Answer 8

water takes long to heat up/cool down(specific heat) which allows for an acceptable change temp to sustain life

Question 9

importance of the hydrosphere

human needs

Answer 9

water for drinking;domestic activities(washing, cleaning);generate elec