When scientists measure, they use the metric system.
Answer:
pretty sure its a. not sure tho
Lets consider the water drop as being part of the water in a lake. The water droplet evaporates and changes from a liquid state to a vapor state by gaining energy and travels up to the upper atmosphere. In the atmosphere the water droplet once again condenses in the clouds and is stored until it can be precipitated on to the land again in the form of rain or other forms of precipitation.
Energy in organisms is homeostasis cells I believe
A decrease of ATP production in the Krebs cycle
