Biology and Math: You have read that the total length of all your blood vessels is about 96 000 kilometers,
enough to go around Earth about two and one-half
times. Use this information to calculate the
circumference of, or distance around, Earth.

i would go with b

cytokinesis occurs after telophase so that eliminates d

and the entire reason for cytokinesis is for cellular reproduction

producers within ecosystems are essential as they are at the base of the food chain. plants are examples of producers. they use the process of photosynthesis to capture light energy and use it to convert simple inorganic substances (carbon dioxide and water) into organic substances (glucose).