A park guide tells her that hoodoos like this one have been forming on Earth throughout history. Which principle explains the process that forms these rocks? PLEASE ANSWERS ASAP I WILL MARK BRAINLIST PLEAS HELP :

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

Identify and describe the three ways that mutations affect organisms.

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a