Lo siento, este en ingles
Explanation:
Hydrogen and helium are found in all stars. Ninety percent of all atoms in the universe are hydrogen atoms and fusion reactions fuel stars, resulting in the formation of helium and higher atomic number elements. This is the case because of the Big Bang, when temperatures were so high that only energy could exist.
Showing how trends change over time
C, because it is bounded to the west by the Black Sea
Answer:
Active Cell An active cell refers to the currently selected cell in a spreadsheet. It can be identified by a bold (typically blue) outline that surrounds the cell. The standard …