Answer:
dissolve wastes and nutrients
Explanation:
Water is a bipolar solvent. the polar arrangement of oxygen and hydrogen atoms allows water to have a positive electrical charge and a negative charge. This allows the water molecule to become attracted to many different types of molecules. Through this attraction, water can become so heavily attracted to disrupt the attractive forces that hold the compounds and, thus, dissolving them.
The antibodies to the HIV virus may take up to three months to appear in the blood of the infected person.
Therefore, the second blood test is necessary three months after a person thinks that he/she has been exposed to HIV to check the presence of these antibodies and confirm whether the person is infected or not.
<span>The building blocks for lipids are three fatty molecules and one glycerol molecule.They join to form a simple fat, or triglyceride. Proteins building blocks are amino acids. Amino acids are small molecules that contain carbon, hydrogen oxygen, and nitrogen atoms. Nucleic acids building blocks are nucleotides which are connected to form long chains,</span>
Answer:
first three can stay the same
desert hot, dry, sparse vegetation
Explanation:
A.<span>Beneficial insects may be adversely affected. </span>
