How does a scientist critique another scientist’s conclusion? a. by ignoring the first scientists date b. by criticizing the scientist’s personal beliefs c. by performing more experiments d. by reading secondary sources

Which of the following is an example of a parasite?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

The fact that the total amount of energy in a system remains constant is a(n)