After several miles of running and sprinting in intervals, the runner’s muscles ache and feel fatigued. Which is the best explan
ation for what has occurred? a. The runner's muscles have accumulated lactic acid.
b. The runner’s body has failed to perform cellular respiration.
c. The runner’s cells are relying completely on aerobic respiration.
d. The runner’s muscles have accumulated carbon dioxide.
Bird droppings that contain seeds from a different location" is the correct answer. Sometimes when seeds from different areas are ingested, the genetic material is passed on.
