At the end of the last ice age rising sea level accounted for three things relative to streams and rivers. what are they?

How would i answer this for an exam?

In the diagram below dab and dac are adjacent angles

Compared with the land in the highlands, the lowlands region of england a) rockier and more difficult for farmingb) the center of business and industryc)richer in coal reservesd)covered by more fertile farmland d) covered by more fertile farmland