What can you infer about copper and silver based on their position relative to each other

You see a white marker with an orange circle and black lettering. what does this marker tell you

Nh3 +02-no + h20 is unbalanced what is the balanced equation

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.