Those who practice a pseudoscience (e. g. astrology, biorhythms, etc.) are those who... A. do not claim to be scientific and do not follow the rules of science
B. none of these.
C. attempt to follow the rules of science, but make mistakes in the process
D. claim to be scientific, yet do not follow all the rules of science

Iwll give extra points to who gets this for ! what type of reaction is this? ?

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.