Which of the following categories of contaminants are by far the most dangerous?
А - Biological
B - Viral
С - Physical
D - Chemical

The concept of empiricism states that all rationally accepted knowledge is determined from experience. francis bacon was one of the first scientists to promote this theory. what was it’s impact on society?

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!