How many crests are in a light wave of frequency 6x10^6 s^-1 that travels a distance if 1000 m?

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.

In a 28 g serving of cheese curls there are 247mg of sodium. how much sodium is in a 12.5 ounce bag