Do the data for the first part of the experiment support or refute the first hypothesis? Be sure to explain your
answer and include how the variables changed in the
first part of the experiment.
Mechanical equivalent of heat

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.