Which of the following statements about the universe are true? (Select all that apply). The universe started from a small, hot, dense region which expanded outward and cooled.

The universe continues to expand today.

The universe is the same now as it was at the time of the Big Bang.

The Big Bang Theory explains the formation of the universe.

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o