How are bacteria and humans different? a. bacteria are single-celled. b. bacteria do not reproduce. c. humans take in energy. d. humans have the ability to move around.

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost

To separate a mixture of hard candies nd marbles the most efficient method would be