Answer:
Closed system.
Explanation:
Robot is an closed system because there is no transfer of mass but transfer of energy occurs from robot to its surrounding. According to the definition of closed system, closed system is a type of system in which there is only transfer of energy occurs while in open system both mass and energy can be transferred from the system to their surrounding. So no mass transferred from the robot only energy in the form of mechanical energy is transferred.
Answer: Helps the plant breathe: The epidermis of the leaf contains guard cells that control and regulate the small pores on the undersurface of the leaves. These pores are called stomata. Stomata are responsible for regulating water in and out of the cell. It is also responsible for the exchange of gases across the epidermis.
Answer:
Ans:
Explanation:
Make your voice heard by those in power. ...
Eat less meat and dairy. ...
Cut back on flying. ...
Leave the car at home. ...
Reduce your energy use, and bills. ...
Respect and protect green spaces. ...
Invest your money responsibly. ...
Cut consumption – and waste.
hope it helps ....please mark brainliest
I took the test the answer (for sure) is c: programmed cell death. Good Luck!