D
Explanation:
An example is a chemical formula of a compound NH₄NO₃
These subscript numbers mean that there four (4) hydrogen atoms and three (3) oxygen atoms in the molecules.
A Lewis dot diagram for the molecule is used to show the electrons of the atoms, and their interactions – such as in covalent bonding- in the molecule
Answer:
50?
I think but not 100% sure if not lmk
<>"The researchers stress that their approach does not offer a complete roadmap for sustainable development, but does provide an important element by identifying critical planetary boundaries. "Human pressure on the Earth system has reached a scale where abrupt global environmental change can no longer be excluded."<>
Answer:
Explanation:Rocks are heated and melt.
Some magma move sideways in opposite directions.Magma cools and sinks.Magma expands and rises at divergent boundaries.Magma expands and rises at divergent boundaries.