What type of celestial object is a rapidly rotating neutron star that emits beams of radiation, observed as periodic pulses?

What is the purpose of the endoskeleton in vertebrates?

Which law states that the total electric charge in an isolated system is constant?

What is the process by which cells break down glucose to produce energy in the absence of oxygen?

In the water cycle, what is the term for the process by which water vapor is released from the surface of leaves into the atmosphere?

Which of the following is a fossil fuel formed from the remains of ancient marine organisms?

Which blood type is considered the universal donor?

What is the name for a large body of air with relatively uniform temperature and humidity, typically covering vast areas and influencing weather conditions?

What is the SI unit of power?

Which type of energy is associated with the position of an object in a gravitational field?