When fewer hydrogen ions are secreted into the filtrate, how is blood ph affected

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.

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Compare the composition of the moon's surface with the composition of the earth's surface.