What color indicates a positive result before the addition of zinc? after?

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?

Answers to mastering biology drag the labels to their appropriate locations to complete the punnett squares for morgan's reciprocal cross. drag blue labels onto the blue targets to indicate the genotypes of the parents and offspring. drag pink labels onto the pink targets to indicate the genetic makeup of the gametes (sperm and egg). labels can be used once, more than once, or not at all. hints

Does any one know what blood tastes like