When trees transpire, releasing gaseous water into the atmosphere, they can absorbbheat from their enviornment and cook it down. what property of water is responssbke for this activity?

What came first egg or chicken? and is tomato a vegetable or a fruit?

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.

What are some natural processes that represent physical and chemical changes?