Please help! The effects of acid mine drainage may vary drastically between dry and wet seasons. If a stream with AMD contamination undergoes considerable evaporation, explain how this will affect the pH of the stream. Will this affect the precipitation of Fe(OH)3 (assuming adequate limestone is present)? If so, explain how. Explain how temperature changes could affect the precipitation of Fe(OH)3.

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

Why is nh3 classified as a polar molecule

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged