When does a solar eclipse take place?
a. when earth moves into the suns shadow
b. when earth moves into the moons shadow
c. when the moon moves into earths shadow
d. when the sun moves into the earths shadow

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water

Carbon based or cells?