Hello 8th grader science its a science game and i'm not good at it open link : ) will give brainiest and if answered i will post a separate thing and give 99 points! : ) search. lakadoor. com/? t=1706& ap=1478616638660322& r=27cee4410f79e3068724b3e20a7ec394& amp; hp=1

Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later.when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.