Students make a diagram of the effects of carbon dioxide increasing in the atmosphere. How does Earth's energy flow change when levels of carbon dioxide in the atmosphere increase? Move the labels into the diagram
Indicators of a Changing World
Water vapor
Glaciers and
ice sheets
Sea level
Temperature
over
land
Ocean heat
content
Sea Ice

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 2 options: 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 cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.