Nephrons. These are a particle in the blood.
The answer is true, the properties of carbons do make it the backbone of molecules that form living matter.
Answer:
Classical conditioning
Explanation:
Classical conditioning or Pavlovian conditioning is conducted on living organisms to make them associate one or more actions to a given (often familiar) stimulus or stimuli. Ivan Pavlov, in his experiment, trained a dog to associate an action, salivating for food, with the sound of a metronome.
Answer:
I think that the answer might be C. Gravity and Friction
Answer:
Scientists believe the counterclockwise rotation of the planets is caused by the way they formed in the debris field. Each planet may tilt at an angle from the direct north/south pole, causing seasons to occur. The planetary tilting does not change the basic nature of the planet rotation.
Explanation:
