When work is done on an object, the amount of it has changes.

How have the greenhouse gasses increased from the year 2000 to 2018

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons