Q:1 write down the differences between mass and weight ?​

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

Which of the choices are parts of an atom? select all that apply. a.) compound b.) electron c.) neutron d.) molecule e.) photon f.) proton g.) element