Which of the following is an example of something that would decrease biodiversity? a) a law is passed to protect coral reefs b) logging is outlawed in rain forests c) a species gene pool becomes less diverse. d) in a forest 100,000 acres are set aside as a national park

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Your client has just been prescribed oral iron. why would you advise this client to avoid taking their medication with coffee, tea, eggs, or milk?

Brass gets discoloured in air because of the presence of which of the following gases in air? a. oxygen b. hydrogen sulphide c. carbon dioxide d. nitrogen