4. The material at the center of the earth is extremely hot. Normally, it would be hot enough to melt rock. However, because it is also under
tremendous pressure it
has a peanut butter type consistency
is a solid
is thick liquid
is a mixture of solids and liquids

Identify the main component f natural gas

When water freezes, it . contracts expands

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.