Classify the following as either a specific or a nonspecific defense of the body's immune system.

• skin
• macrophages
• bacteria • mucous
• fever
• b cells • t cells
• antibodies

specific nonspecific

The energy needs of a human population are not affected by

Which must be kept in mind when determining if an explanation is correct? check all that apply.which must be kept in mind when determining if an explanation is correct? check all that apply.

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents.earth's tilt causes the ocean to move because of gravity.earth's tilt and its rotation cause currents.earth's tilt causes uneven distribution of salt which causes currents.