Answer:
The total amount of mechanical energy is merely the sum of the potential energy and the kinetic energy. This sum is simply referred to as the total mechanical energy
If ALL individuals of a species were not able to have offspring, then that species would eventually become extinct.
Weather describes the condition of the atmosphere over a short period of time e.g. from day to day or week to week, while climate describes average conditions over a longer period of time. Climate can be viewed as the slowly varying aspects of the air- water-land system.
Because sunflowers are attracted to suns.
