How does the use of minerals such as metals differ from the use of fossil fuels?

Explain why phospholipid molecules form a bilayer. (3 marks)

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?

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