A beaker can hold 200cm3 of water. when it's empty, how many liters are needed to refill it?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)