Which statement best describes the Richter scale?

The answer is: It's a numerical rating system that measures the largest seismic waves during an earthquake

Once it is in motion, what does an object like a soccer ball have a natural tendency to do?

Plate tectonic forces are responsible for adding rock material and removing rock material from earth's surface. True or False?

Which of the following combinations cannot produce a buffer solution? Select all that apply. HF and NaF HOCl and NaCl HCN and LiCN HClO4 and NaClO4 HNO2 and KNO2 H2SO4 and Na2SO4 NH4Cl and NaOH NH3 and (NH4) 2SO4

What is an acid and what is a base

Of the following, which is NOT an example of a seed plant? a. peanuts c. oranges b. peat moss d. wheat?

If the amount of atoms of each type on the left and right sides of a reaction differ, what must be done to balance it? A. It should be left alone B. Coefficients are placed in front of the reactants and/or products C.

All metals a melt at high temperatures b conduct heat and electricity c contain iron d react with air and water

Predict the following chemical formula for a compound between calcium and chlorine.

Two pieces of silk have an electric charge after being rubbed on a piece of amber. What will happen when the two silk pieces are brought close together? A. They will repel one another. B. They will attract one another. C.

The chemicals formula of glucose is c6h12o6. what are the names of the elements in glucose and how many atoms of each element are present in glucose molecules