The temperatures of the main Fig. 2.2 shows all the thermal energy (heat) inputs to the bedroom in one hour.
thermal energy input to bedroom
through door and walls from main room
50 000J
through walls from outside of house
2 000 000
through window
1 000 000
from person sleeping in bedroom
250 000J​

d

explanation:

i think the answer is d. but im not sure!

gravity

explanation:

which three statements are true about all alloys?

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.