One, two, three, or four? someone me?

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

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

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?