Help please!! CHOOSE ALL THE ANSWERS THAT APPLY

0° longitude ___.

is called the International Date Line
is the location where each new calendar day begins
runs through Greenwich, England
divides the Earth into the Eastern and Western hemispheres
is called the Prime Meridian

Which best explains why an iceberg floats?

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.

Which of these is an intensive property of a substance