What kind of cross might tell you if a black guinea pig is bb or bb? why?

Which of the following is an example of a non-falsifiable hypothesis? a. there is a teacup orbiting the milky way galaxy. b. there is no life on mars. c. the human species started in africa. d. humans cannot live without the amino acid methionine

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain