Answer:b)lubricating surfaces
Explanation:took it on edge hope this helped
An ecosystem is <span>a biological community of interacting organisms and their physical environment.</span>
They must preform photosynthesis so they can acquire energy and nutrition.
Answer:
It's always associated with motion
It can be transferred from one object or body to another
Explanation:
Kinetic energy is the energy due to motion of a body.
- Moving objects possess kinetic energy which is resident in that body.
- As with other forms of energy, it can be transferred from one body to another.
- Kinetic energy can express itself as thermal energy, electrical energy, mechanical energy etc..
- As a body moves, the kinetic energy is increases.