A bicycle and a car will experience an equal acceleration on having a head on collision?
TRUE
FALSE

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.

How does changing the frequency affect the energy of the wave?