Which of the following is true about the myelin sheath in a nerve cell?

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above