Question

B. Fill in the blanks.
1.
is a gas emitted when fossil fuels are burnt.
2. The heat generated in buildings
into the
atmosphere.
3.
in the air react with the moisture in the air to form
highly acidic substances.
4.
are tiny particles floating in suspension and may
include many harmful substances.
5.
absorbs the short ultraviolet wavelengths produced
by the sun, thus preventing them from reaching the earth.
6. About 3 billion years ago
began to photosynthesise.​

Answer 1

Answer:

1. co2

2. destroy

3. so2 NO

4. They include clays, acicular or fibrous particles of asbestos minerals, and organic ... Little is known about the effects that these suspended solids may have on the ... of toxic substances, bacteria, and viruses from solution or suspension and bind them ... Since clays are ubiquitous in many waters used as sources for human

5. ozone layer

6. 3.4 billion years ago First photosynthetic bacteria appear

2.7 billion years ago Cyanobacteria become the first oxygen producers

Explanation:

hope this helped