What type of polymer can be described as having only one starting point and one ending point?

a) linear
b) branched
c) monomeric

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

Why is it important to study each branch of earth science?

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.