How do you develop immunity to diseases? (Meaning that you are resistant to certain infections) B. By attacking all invaders your immune system comes across.

C. By creating lots of lymphocytes.

A. Your immune system memorizes and remembers antigens of past invaders.

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.

What is the major limitation to the light microscope?