Why is cholesterol important for the body a. estrogen and testosterone are created from it b. it prevents the body from making too much vitamin d c. it reduces the mellow steroids taken up by the body d. membrane phospholipids are crated from it

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Is this a single replacement reaction or there is no

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.