What is a base? A. A substance that increases the concentration of OH ions in solution O B. A substance that contributes chionde ions to the solution O C. A substance that increases the concentration of angen in solution O D. A substance that increases the concentration of H dissolved ons witen
This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry
Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j