and (the amount of salts dissolved in the water) affect the of the water. Changes in density caused by and at the surface affects the deep-ocean currents. Density ultimately affects the , such as whales, seaweed, and submarines; however, the density also matters because it .

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.

probably 3 since archeologists and historians don’t understand there writing.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

answer; human capital;