Two identical balls are placed in beaker a and beaker b. the ball in beaker a sinks slightly, while the ball in beaker b floats atop the liquid. which conclusion is correct
a. the balls are denser than both liquids.
b. the liquid in beaker a is denser than the liquid in beaker b.
c. the liquid in beaker a is not as dense as the liquid in beaker b.
d. none of the above.

How does human environment effect the biosphere

What molecule contains an organisms genetic material, passed down from parents to their offspring

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.