Which of the following are testable hypotheses that could explain the researchers' data?

Select all that apply.

A. Scavenger population sizes have increased, and more road-killed swallows get eaten before they can be found.
B. The number of cars driving on these roads has increased over time.
C. The population size of cliff swallows living near roads has decreased over time.
D. Traits that help individuals avoid being hit by cars have evolved through natural selection in the cliff swallow population.
E. An unknown element has been protecting the swallows.

This refers to weather and atmospheric conditions measured over a long period of time.

Historical vs today's presidents (compare)

Does anyone know the answers to the australia and the pacific test? here is one of the questions: "which is the correct order of events related to the history of australia and new zealand? place the earliest event at the top and the last event at the bottom." 1. australia and new zealand become dominions. 2. world war 1 occurs. 3. australia and new zealand become independent countries. 4. british recognizes australia and new zealand as equals to britain under the british crown. , i need the correct order down below. i need to submit fast and do not waste my time.