Please Help ASAP Students set up a controlled experimernt. They put five crickets in each of three identical containers. They set one
container to 15C, one to 20°C, and one to 25°C. Then they
count the number of cricket chirps in each container during
1 hour. What are the two constants in this experiment? You have to pick to answers.

A: The number of crickets in each container.

B: The temperature of each container.

C: The number of cricket chirps.

D: The kind of containers used.