Fossil fuels are

a. a natural resource
b. renewable
c. made from minerals
d. burned in hydroelectric plants

What is a cordon and where is it found

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

The cluster of developing cells from conception until birth is called an