The answer is humoral and cell-meditated
The correct answer is <span>A)<span>invasive species</span></span>
Water molecules forming hydrogen bonds with one another. The partial negative charge on the O of one molecule can form a hydrogen bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions.
Answer:
element
Explanation:
The number of protons in an atom determines its element on the periodic table. You can identify how many protons are in an element using it's atomic number.
