The order is 1000 mL of sodium chloride IV to be administered over 4 hours. How many ml/hr will the nurse set the pump? Round to the tenth. ___________________mL/hr

The picture below shows the position of Earth and two stars. Star 2 is 52 light years from Earth and 18 light years from Star 1. If Star 1 explodes as a supernova, in how many years would the explosion be seen from Earth? (3 points)

An order is written to give Ampicillin 700 mg IV. The medication concentration available is 50 mg/mL. How many mL will the nurse administer? Round to the tenth. ____________________mL

The table below shows the initial masses of four stars. Name of Star Star 1 Star 2 Star 3 Star 4 Initial mass of star (in Solar mass) 9 0.9 5 0.3 Which of these best shows the stars in the increasing order of the time for which they will stay on the main sequence? (3 points)

The table below shows the initial masses of four stars. Name of Star Star 1 Star 2 Star 3 Star 4 Initial mass of star (in Solar mass) 9 0.9 5 0.3 Which of these stars will stay on the main sequence for the shortest time? (3 points)

The diagram below shows a helium atom. The particles labeled A are called (2 points)

Which statement best explains why the Big Bang Theory is the leading scientific explanation of the development of the universe over time? (3 points)

The picture below shows a person exploring an underwater cave in Florida. The underwater cave was most likely formed because of (3 points)

A typical American household uses 150,000 gallons of water per year. A newspaper report says that about 0.3 gallons of water are used by an American household every minute. Which of these statements is correct about the information provided by the newspaper? (3 points)

Which of these statements best explains why scientists use models? (3 points)