[forensic science] which is a test to determine if a sample is human blood? a) teichmann test b) precipitin test c) luminol test d) kastle-meyer test

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Which of the following is the most likely outcome of global warming

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above