Fill in the blank: energy can never be created nor destroyed just _ or _

Listed following are various physical situations that describe how light interacts with matter. match these to the appropriate category. 1) transmission? -visible light meets clear glass -visible light does not pass through a black wall -red light hits a red sweatshirt -light comes from your computer screen -cell phone signals pass through walls -blue light hits a red sweatshirt -white light hits a white piece of paper -light comes from a light bulb

Which of the following terms is the best described as the number of waves that pass a point in one second

Most fertilizers contain ammonia. ammonia (nh3) forms when hydrogen reacts with nitrogen. which balanced equation represents ammonia? 3h2 + n2 ? nh3 h2 + n2 ? 2nh3 h2 + n2 ? nh3 3h2 + n2 ? 2nh3