What type of wave travels through matter only??

Does this organism still meet the definition of a eukaryote ? why or why not?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)