How might the cells of the membrane pore compare to the size of the starch molecules?

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food