Q: Q: What bodily function do the triceps help perform? Choices: - perform crunches - make a fist - lift the leg - extend the arm A:
A: extend the arm

Q: Q: What phenomenon is crowding out other species and making all the other causes of extinction worse? Choices: - climate change - human suburbanization - migration - human overpopulation A:
A: human overpopulation

Q: Q: The large hadron collider is the biggest type of what invention, which boosts particles to high energies? Choices: - electron microscope - mass spectrometer - nuclear reactor - particle accelerator A:
A: particle accelerator

Q: Q: Birds evolved from what type of ancestor? Choices: - apes - insect - fish - reptile A:
A: reptile