Calcite is the most common rock
I believe A is the answer, hope this helps. :)
please give brainliest.
One of the most commonly used methods of analysing the age of a certain crust is through analysis of its isotropic composition, such as the presence of the elements of tellurium and selenium. However, by general principle, the continental crusts are considered to be much older than the oceanic crusts.
There not the same because the tilt of the earth axis is 22 degrees.The sun is directly overhead at either one of the tropics of Cancer or Capricorn every six months giving high temps in these regions.If there wasn't any tilt in the earth axis there will be no season's.
