A student selects a leaf of length 6.2cm to draw. Her drawing is 15.5cm in length. What is the magnification of the drawing ? A)×0.4 B)×2.5 C)×96.1 D)×21.7

What was photo 51 with rosalind franklin?

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Which promotes sustainability? o a. using more landfills o b. finding new sources of coal o c. increasing consumption o d. encouraging recycling programs