How did scientists boost the spacecraft Juno on its way to Jupiter, helping it overcome the gravitational pull of the Sun? A.
by using two rockets
B.
by using a gravitational slingshot
C.
by decreasing the mass of Juno
D.
by increasing the fuel on the rocket

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Where can a dna be found in a prokaryotic cell