What do comets and asteroids have in common? Choices:
They are made of ice
They orbit the sun
They are made of metal debris
They are the center of the solar system

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Draw two cyclic constitutional isomers of cis-1

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering