D
They don't have membranes. They work together some can !she their own nutrients but it comes from Sun and water and all that stuff
Answer:
In order to determine if the cathode ray consisted of charged particles, Thomson used magnets and charged plates to deflect the cathode ray. He observed that cathode rays were deflected by a magnetic field in the same manner as a wire carrying an electric current, which was known to be negatively charged.
Explanation:
Average velocity is calculated as the division of displacement and change in time so the answer would be 804 km/36000 s=0.02 m/s
2. Energy is being removed to cause condensation.
<span>The planet which shows evidence of water erosion is Mars. Scientists discovered that Mars is the only other planet which has evidences of water existance as Mars' atmosphere contains trace amounts of water vapor, and it surprisingly turned out that it also has polar ice caps which are filled with frozen H2O. And, as you may have heart, Mars has shown many evidences of past river valleys and lakes.</span>