Which of the following is a testable hypothesis a. people don't appreciate just how old giant sequoia trees really are. b. after much discussion, it is concluded that pandas would prefer root beer to ginger ale if they were allowed to drink carbonated beverages. c. chirp faster when the night is warmer. d. snakes are used too much in movies to scare people.

Crickets chirp faster when the night is warmer.

Explanation:

(apex)

answer; i believe the correct answer is (data); /// good luck

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.