Which of the following statements is an accurate interpretation of the labeled branch points on the model?

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

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+