Living things obtain and use energy so alive?
A The continents were once joined together
Explanation:
All the continents were once together making a huge one called Pangea.
Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
This is false. There are elements that have three letters, however they don't occur as often as those with one or two letter formulas.
It is called the lines terminal is or pelvic brim
