There are Aloe Vera plants grown on a balcony that receive full sunlight all day. Another set of Aloe Vera plants are grown inside and receive only dim sunlight all day. You record their heights in centimeters. All soil and water treatments are exactly the same, the only difference in their treatment is sunlight exposure. Write a Null Hypothesis and an Alternative Hypothesis for the prompt information above.

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.