I think the answer is a red color
The answer is d- <span>psychoneuroimmunology</span>
Answer:
He developed the theories of gravitation in 1666, when he was only 23 years old. Some twenty years later, in 1686, he presented his three laws of motion in the "Principia Mathematica Philosophiae Naturalis." The laws are shown above, and the application of these laws to aerodynamics are given on separate slides.
Explanation:
Answer: they have to maintain homeostasis, so they remove waste to do so..
