<h3>Chemical <u>
bond</u> is the answer. </h3>
Explanation:
A chemically bond is defined as the invisible force between two atoms which together forms a molecule. Chemical bonds are of different types - covalent bond and ionic bond. These bonds are formed between the atoms because of a chemical reaction.
In a chemical reaction, different reaction intermediates are formed which leads to the formation of new forces of attraction between nearby atoms or ions to form new bonds. Thus chemical bonds are formed from chemical reaction.
Answer:
The pollen grain has apertures on the wall which allow dimensional adjustments in response to changes in moisture conditions. The apertures also offer an exit route for the contents of the grain.
Explanation:
Because HIV infects and destroys Helper T Cells, you would end up with a very weak immune system because T Cells identify pathogens and fight them. Without them, we aren’t able to fight of pathogens, making the body vulnerable to disease, bacteria, and viruses.
I believe one of the jobs is Excrete impurities
Answer:
B) non oxygen blood (aka deoxygenated blood)