The agricultural revolution brought about a situation in which the food supply exceeded the population the soil was able to regenerate poor farmers lacked machinery more people were able to leave cities

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 statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

You see a white marker with an orange circle and black lettering. what does this marker tell you