Explain why the feel of graphite and pyrite can be used to distinguish between the minerals?

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

Asample of soil from a c horizon is light brown in color and has a high content of a mineral called feldspar. which of the following statements is most likely true