How did cataracts in the nile river make transportation difficult?
(a) cataracts caused parts of the riverbed to dry out.
(b) cataracts contained rocks and boulders that made the river impassable.
(c) cataracts changed the directional flow of the water.
(d) cataracts’ shallow depth and rushing water made the river impassable.

Working toward a specific goal-sociology

Lena has recruited a small group of students to volunteer to clean up the local park. the typeof group that would best serve this purpose is a(a.)informationalb.)learningc.)focusd.) task

Which statement best describes the development of ideas in "sonnet 91"? the quatrains build ideas off of one another, and the couplet conveys a new idea. the quatrains contradict one another, and the couplet resolves their disagreement. the couplet agrees with the idea in the first quatrain but contradicts the others. the couplet builds off of the idea of the third quatrain but contradicts the others.