Which of the following is a metallic mineral that can be extracted from an ore after the ore is mined?
Iron
coal
sand
diamond

The activity of the modern sample is 1.10 bq . how long does that measurement take?

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.

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is nm. if the same force moves the same cart three times that distance, the work done is nm.