Which best describes why subsistence farming was forced to evolve in the late 20th century?

A. Increasingly extreme weather disrupted production.
B. Output per person failed to increase.
C. Yields were unable to meet demand.
D. Leaving land fallow disrupted production.
E. Growing and urbanizing populations needed to be fed.

Ahill is made of rock particles of different sizes. which of these agents of erosion probably causes the hill to form? a- waves b- glacial ice c- wind d- flowing water

Ships can transit between the atlantic and pacific oceans using the canal.

Lee is creating a garden with the dimensions shown. he creates paths through the garden along , , and . which correctly compares the lengths of the paths? the path along is longer than the path along , and the path along is longer than the path along . the path along is longer than the path along , and the path along is longer than the path along . the path along is longer than the path along , and the path along is longer than the path along . the path along is longer than the path along , and the path along is longer than the path along .