Is it more likely that the T. Rex would have a 3-chambered heart or a 4-chambered heart and why? Question 14 options:

A 3-chambered heart because the caiman also has a 3-chambered heart and the T. Rex is most closely related to the caiman.

A 3-chambered heart because the parrot has a 3-chambered heart and the parrot is most closely related to the T. Rex.

A 4-chambered heart because the caiman also has a 4-chambered heart and the T. Rex is most closely related to the caiman.

A 4-chambered heart because the parrot has a 4-chambered heart and the parrot is most closely related to the T. Rex.

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.