Dietary and/or can increase blood ldl concentrations.
a. saturated fatty acids, trans fatty acids
b. omega-3 fatty acids, trans fatty acids
c. omega-3 fatty acids, cis fatty acids
d. fiber, omega-6 fatty acids
e. polyunsaturated fatty acids, monounsaturated fatty acids

If you relate the doppler effect on sound to the color of light waves, a police car would be the color as it approaches and the color as it recedes away from the observer.

Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.

Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)