5CaBr2 1. Which is the coefficient?
2. Which is the subscript?
3. How many total atoms in this formula?

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions