50 points plz ! human activities, like burning fossil fuels and deforestation, have greatly contributed to global warming. in this discussion assessment, you will go on a trip around the world to explore the effects of climate change. choose one destination that is represented by a flag. write a paragraph about the effects of climate change in that destination. post your paragraph on the climate change. will give brainlest write a paragraph so five sentences

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.