Which of these is true of a chemical reaction? (a) energy is always transferred from reactants to products. (b) energy is transferred between products and reactants. (c) energy is not transferred. (d) energy is always transferred from products to reactants.

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road

Which statements did both aristotle and ptolemy assume? check all that apply.