Which statement best describes energy in an open system?

all energy and matter are contained within the system.
energy and matter flow into and out of the system.
matter flows into and out of the system; energy does not.
there is no energy in an open system; there is matter.

Energy and matter flow into and out of the system.

Explanation: There are three types of system:

Open System: A system where mater and energy both can pass across the boundary. Example: Tea kept in a cup

Closed system: A system where mater can not be exchanged but energy can be exchanged. Example: Tea kept in a kettle

Isolated System: A system where neither mater nor energy both can be exchanged.  Example: Tea kept in a thermos

the pull of gravity on the rocket decreases

answer:   you might love summer weather, but you don’t want it to feel like the sun is inside your car. but a hot car that just won’t seem to cool down might be a bigger of a problem than you think. your car relies on being at the right temperature.

explanation: