Answer:
D. all of the above
Explanation:
Nuclear power doesn't create waste products like burning fossil fuels would (which would end up in air pollution). it cost much less to capture the sun's energy, and it is most definitely more efficient.
They both transport ions, sugars, and salts across the membrane
Answer: As in other higher vertebrates, the frog body may be divided into a head, a short neck, and a trunk (see Vertebrates). The flat head contains the brain, mouth, eyes, ears, and nose. A short, almost rigid neck permits only limited head movement. The stubby trunk forms walls for a single body cavity, the coelom.
Explanation:
