Which star is cooler Polaris or regulus

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?