It creates more space for farming
B. by the sharing of electrons
Answer choices A and C are incorrect because covalent bonds form as a result of electrons (protons are kind of irrelevant). Answer choice D is incorrect because it describes an ionic bond.
Further study topics: water polarity, hydrogen bonds, free radicals, valence electrons, and more!
Answer:
Oxygen molecules are small and nonpolar, which allows them to easily pass through the cell membrane.
1.)<span>a. antibodies
2.)</span><span>b. its mechanism is well understood</span>
