Humans use bacteria for all of the following except to: (a) produce cheeses (b) to clean up oils spills (c) to produce yogurt (d) to mine minerals from the ground (e) to produce buttermilk.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area