Assume that a recent study found that a chemical in a popular sports drink could cause a cell to undergo mitosis at an unregulated rate. the researchers concluded that people should not drink this sports drink because it could lead to cancer. which of the following is a valid response to this conclusion? i. what do chemicals in fruit juices do to cells? ii. which type of cell was used in the study? iii. how much of the sport drink chemical were the cells exposed to? a. ii only b. i only c. i and iii only d. ii and iii only

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.