The diagram illustrated below is asetup used to demonstrate that iiver water contains
impursties-study it carefully and answer the
questions that follow-
Titrate
a state two precautions that was considered in
the demonstration
DINAME the parts labelled I-IV
c) what is the arm of the demonstration?
I state three properties of the filtrate

Is water wet? and is fire on fire?

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

Fossil fuels such as coal, oil, and natural gas were formed over millions of years by