Aplanetary nebula is the phase of a

a) star in its late life
b) protostar before it becomes a white dwarf
c) star before it becomes a black hole
d) planet before it becomes a star

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

Which is an example of an exothermic process?

Standing at the same location, which organism would have the greatest gravitational attraction to the earth? a- your pet dog b- your pet ant c- your pet opossum d- your pet elephant