I have made a thermometer which measures temperature by the compressing and expanding of gas in a piston. i have measured that at 1000 c the volume of the piston is 20 l. what is the temperature outside if the piston has a volume of 15 l? what would be appropriate clothing for the weather?

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.

Which is these sentences can be deleted from the first paragraph sentence 4 sentence 2 sentence 5 sentence 3

Essay questions may also be referred to as a. talk questions c. hard questions b. explain questions d. think questions