One way to reduce bias in an experiment is to
a. ask only girls a question about a school topic
b. take numerical measurements of the results
c. use descriptive phrases as your data
d. make sure that the results come out the way you want them

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Adilute aqueous potassium nitrate solution is