Which of these would be LEAST LIKELY to affect the rate of a reaction?

A)introduce a catalyst
B)change the temperature
C)add more of the reactants
D)allow the chemicals to stand overnight

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

Dawn mistakenly took a multivitamin intended for men that contains 90 mg of vitamin c (or 100% of the vitamin c rda for men). if the multivitamin was dawn’s only source of vitamin c for the day, what percentage of the women’s vitamin c rda did she consume? a. 52% b.83% c.100% d.120%