What is the role of the MCR1 gene in determining a populations fitness for survival???please help it’s do today

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

All organisms contribute some water to the water cycle by conducting

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.