Edward Thorndike’s law of effect was a precursor to the theory of . A. social learning B. classical conditioning C. observational learning D. operant conditioning

Which statement is true about common childhood infectious disease? a. children should always be given antibiotics to treat an infectious illness. b. frequency of infectious illnesses usually increases as children grow older. c. having a minor infectious illness weakens a child's immune system. d. infectious illnesses are usually mild and require no medication.

Microbes in the gut ferment fiber and complex carbohydrates and form vitamins, short chain fatty acids and

What happens in the process of photosynthesis