How much energy is lost between trophic levels?

What are igneous intrusions and extrusions

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?