Ammonia is a compound. each molecule of ammonia contains one atom of nitrogen (n) and three atoms of hydrogen (h). what is the chemical formula for ammonia

Most of earth’s fresh water is found in oceans and seas stored in glaciers and ice caps groundwater stored beneath the surface found in lakes, rivers, streams, and reservoirs

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Which of the characteristics of life does a virus display