Which of the following human activities would be expected to be the biggest contributor to air pollution? a. driving b. restaurant garbage c. aerosol cans d. nuclear weapons

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation. c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation. d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from