In "Do this" (l.16) the author means:

lest in "lest it get out of control" (ll.15-16) is a(n):

growth (l.15) is to grow as:

The underlined word in "than, say, a rosebush" (l.14) signals a:

Because in "because it grows so quickly" (ll.12-13) has the same meaning as:

The word that can best replace "fence" in "Plant a bamboo fence" (l.11) is:

The underlined word in "instead of wasting plastic ones" (l.10) introduces a(n):

In "500 billion plastic bags are distributed" (ll.3-4) the underlined verb can be replaced by:

A landfill is a place for:

According to the text, plastic bags should be: