“what types of friction occur between your bike tires and the ground when you ride over cement, through a puddle, and when you apply your brakes? ”

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species

Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants