Which procedure best helps to determine whether an investigation is scientifically valid? repeating an investigation several times keeping notes on the condition of equipment used in the procedure conducting an investigation with a group of people conducting the procedure thoroughly one time

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d