How would the volume of helium in a balloon be affected if the balloon was placed in a room where air temperature is lower? a. increase b. decrease c. no change

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate