Yes the spongy mesophyll found in upper layer but in some hydrophytes maybe opposite could be possible !!!
Hydrogen bonds<span> are much weaker than covalent bond because of its bond is formed through fundamentally electrostatic interactions.
Hydrogen bonds happen due to dipole-dipole attraction while covalent bonds happen when valence electrons are shared.
Reasons why complementary nucleotides across the double-stranded dna bond together using hydrogen bonds rather than covalent bonds are (1) the distance between two strands, (2) size of the bases, (3) geometry of each base.</span>
The correct answer is your kidneys because the organs most intimately related to the substances carried by the blood are the kidneys, which filter out nitrogenous wastes and regulate concentration of salts; the spleen<span>, which removes worn red blood cells, or lymphocytes; and the </span>liver<span>, which contributes clotting factors to the blood, helps to control </span><span>blood sugar</span>
