Adynamic state where two opposing forces are in balance, where two opposite events are occurring at equal rates is

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?

Which best explains why an iceberg floats?

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?