Sound waves can't travel through a vacuum.
Because not everything is made out of weat and their are other things that are made out of not just bread
Answer:
Graph 1: This design does not control for distance from the central patch.
Graph 2: This design does not control for area of the patch.
Graph 3: In this design, there is no difference between the treatments.
Graph 4: This design does not control for edge effects.
Explanation:
They all have the same aphelion distances
A selective breeding. Put your best animals together to get better offspring.