Question

Medal

Choose all the right answers.

Why do all machines lose some energy while they operate?

They run out of fuel.
Some heat radiates out.
Moving parts cause friction.
High pressure gases move the piston.



2.The earth gets heat energy from the sun through:



convection

conduction

radiation

all of the above

Answer 1

@lizzyrockefeller

Answer 2

1) moving parts cause friction
2) all of the belive i think bux i know its raditon and convection

Answer 3

Thank you

Answer 4

your welcome