Marla is explaining to her friends the printing technique that requires the use of, glue, gum arabic , or shellac. what technique is she describing?

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.