A is the answer ps i am also vietnamese
<span>The
Milky Way is a elliptical galaxy. Galaxy,
by definition, is an arrangement composing of stars, planets, gasses and
everything more that can be seen in the space. There are three types of
galaxies and they are elliptical, spiral and irregular. Spherical could be
applicable as elliptical if you got to choose only one on the choices above.
Example of spiral galaxy is the Milky Way galaxy where our Solar system is
currently located according to the scientists</span>
a drop of water may spend over 3,000 years in the ocean before moving on to another part of the water cycle
Answer:
Land is the least effective because most disasters that occur are caused by either air or water...air pollution or flood.