Suppose a variation makes an individual member of a species better adapted to its environment. how might the variation affect the individual's reproduction.

Convert from °F to °C 36.8 °F → °C

The average American uses 156 gallons of water every day. If you lived in Africa you would have to walk to collect this water and carry it home balanced on your head. It takes 3 hours to collect 5 gallons of water.

True or false: atoms have the same number of electrons as they have protons

What is the volume, in liters, of 0.500 mol of c3 h8 gas at stp?

Cortisone consists of molecules, each of which contains 21 atoms of carbon (plus other atoms). the mass percentage of carbon in cortisone is 69.98%. what is the molar mass of cortisone?

The mass, on grams, of a molecule of aspirin. (C9H804) Show your work.

Write a net ionic equation to show that codeine, c18h21o3n, behaves as a bronsted-lowry base in water.

How does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of nitrogen? 1) 1 mol of oxygen has fewer molecules. 2) 1 mol of oxygen has more molecules. 3) Each sample has the same number of molecules.

How many grams of fosforic acid (H3PO4) are required to prepare 500 mL of a 0.2 M solution?

Sarah cycles 30 mi to her grandmother's house at a steady speed of 10 mph. If she leaves home at 2:00 PM what time will she arrive?