The outer core of the earth is primarily made of a solid metal. b molten metal. c primarily water. d unknown materials

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials

What will happen if two of the base pairs of the stand of the dna are switched