Answer:
The reason hydrogen bonding occurs is because the electron is not shared evenly between a hydrogen atom and a negatively charged atom.
Explanation:
Hydrogen in a bond still only has one electron, while it takes two electrons for a stable electron pair. Any compound with polar covalent bonds has the potential to form hydrogen bonds.
The answer to this question is: <span>entire ecosystems are being destroyed
In order to achieve a new species, current species have to survive for thousands of years and develop new and better features over that time in order to make it easier for them to adapt.
But our environmental condition today is really worrisome due many irresponsible destruction that is made in the name of profit, which endanger a lot of species</span>
Answer:
In a solid atoms are packaged tightly together and move slowly
<span>Photoreceptors are nerve cells most related to a human sense of </span>sight
