Does the number of people in a cart affect the average of the roller coaster

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.