1. Examine the Boarding House diagrams of Model 1. Match each of the symbols below with their meaning
a.
I. bunk bed for boarders
b.
H
II. manager's code for the # of boarders in the house
_c. 1s 2s 2p 3s'
III. boarder

the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation:

is there multiple choice answers?

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.