by removing the plants that protect soil from being blown or washed away.

问题描述:

by removing the plants that protect soil from being blown or washed away.
以上句子中由That引导的算是一个定语从句吗?
be blamed for是什么意思,是“因为sth而受责备”的意思吗?

是定语从句,修饰plants,——那些植物保持水土不被流失.
be blamed for—— 因……而怪罪、责备