Explanation:
ionic n vanderwaal both are interactions resulting in compounds/molecules
and the difference is the strength of them..ionic is stronger than the vanderwaals
The functional groups determine the shapes of macromolecules and this in turn determines their functions
The answer is; Varicosities are recognized by the enlargement of the veins. Superficial veins are most likely involved because they have little support from surrounding tissues. The veins have become tortuous and dilated because of incompetent valves that allow the blood to pool, stretching the vein walls. The likely cause in this patient's case is her pregnancies, because the enlarged uterus exerts download pressure on groin vessels, restricting return blood flow to the heart.
Answer:
they have different functions
Explanation:
the stomach cells breakdown food and make up a certain tissue and take nutrients from the food you eat while the brain cell makes up your neurons and receptors
