Which measure would be MOST effective in increasing the human population's immunity against contagious diseases? A. Getting vaccinated against contagious diseases
B. Treating the first person infected with the contagious disease
C. Isolating the first person infected with the contagious disease
D. Distributing antibiotics in the community to avoid the contagious disease

Ocean waves move up and down in circles, but transmit horizontally toward the shore.

At which location in earth’s interior does the top density continue to increase as thickness decreases?

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