Explain How do muscles work in pairs to
move the body?

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)

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest