If gary mated with gabby who also had the meowing trait, what percentage of their offspring would be barkers

Plz will mark! 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?

Some substances but not other can cross the (blank) membrane of a cell

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is nm. if the same force moves the same cart three times that distance, the work done is nm.