Week 2: Activity#2

Topic Sentence: Humans are often harmed by pollution.

 

	Classification	Examples of Hazardous Substances
Pollution	1. Land	a.  garbage
		b.  pesticides
		c.   heavy metals
		d.  other chemicals
	2. Air	a. toxic gases
		b. solid particles and  liquid particles or aerosols
		c.   other hazardous air pollutants
	3. Water	a. industrial wastes
		b. sewage waters
		c.  waste waters
		d. chemical fertilizers
		e.  pesticides

Transitional expressions: and, for instance, such as, lastly, to be specific, like