Question

Ken enjoys bird watching. Every summer, he sees many ruby-throated hummingbirds in his garden. However, during the winter, he never sees any ruby-throated hummingbirds. Which of the following is a testable hypothesis that Ken could make to explain the winter absence of the hummingbirds?
A .Where do ruby-throated hummingbirds go in the winter?
B .Do ruby-throated hummingbirds like cold weather?
C .Ruby-throated hummingbirds do not like being cold.
D .Ruby-throated hummingbirds hibernate during the winter.

Answer 1

a

Answer 2

that was the wrong answer