Which of these actions is an example of chemical weathering?
a. freezing water widens the cracks in rocks.
b. plant roots force their way into cracks in rocks and break them.
c. oxygen in air reacts with iron content in rocks, causing them to change color.
d. strong winds peel soft rock away, leaving harder rock behind.

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?

What methods could you use to solubilize calcium carbonate