What type of cell is Cell City and what type of cell does Celley come from?

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

In each transformation of energy , some energy what?

One drawback of dams is that they can flood land upstream from the dam and reduce water flow downstream from the dam. a. true b. false