NEED A BIO EXPERT TO HELP ME WITH HW!! Please answer if you have learned about this before, don't guess and explain your answer without plagiarizing from the web. I will pick brainiest - thanks

**THIS IS COLLEGE BIOLOGY - if you're in high school/middle school, don't even bother answering this

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

What did the first language sound like

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.