A car starts at a position of 4km and moves a final position of 5 km. What is the total distance traveled by the car? A. 1 km
B.-9 k m
C. 9 km
D. -1 km

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

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.