calculate the surface area of a box whose mass is 200 kg and exerts a pressure of 100 Pascal on the floor.

Explanation:

If 2×2 is 4 so 1 kg can be 1 gram if it belive on it self some people change

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.