Andy runs 3 miles north, then turns east and runs 4 miles. What is Andy's displacement?​

Solutions to environmental problems in europe must

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?