In your own words explain how restriction enzymes allow genes to be inserted into vectors

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

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.