LE3

Question 1

It is is a result of socio-economical, technological and institutional activities.

It is the deterioration of the environment through the exhaustion of natural resources such as air, water and soil.

Answer 1

Environmental degradation

Question 2

It is basically defined as any change or disturbance to the environment which are undesirable.

Answer 2

Environmental degradation

Question 3

What are the causes of Environmental degradation

Answer 3

Increasing human population,

Increasing economic growth,

Resource depleting and polluting technological advancements.

Question 4

Give 4 examples of environmental degradations

Answer 4

Greenhouse Effect,

Acid Rain,

Smog,

Nuclear Radiation

Question 5

It is a natural process that warms the Earth’s surface. When the Sun’s energy reaches the Earth’s atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.

Answer 5

Greenhouse effect

Question 6

Refers to a mixture of wet and dry deposited materials from the atmosphere containing higher than normal amounts of nitric and sulfuric acid.

It is is a result of man-made activities which emit sulfur dioxide and nitrogen oxides, basically from fossil fuel combustion.

Answer 6

Acid Rain

Question 7

It is a brownish haze that pollutes our air. Hazardous to the health for it may cause difficulty in breathing.Primary component is ozone, a gas created when Nitrogen Oxide reacts with other chemicals in the atmosphere under strong sunlight.

Answer 7

Smog

Question 8

Give 5 examples of renewable energy

Answer 8

Solar Energy,

Wind Energy,

Ocean Energy,

Biomass

Question 9

It is radiantlightandheatfrom the sun harnessed using a range of technologies such as photovoltaics.

Answer 9

Solar Energy

Question 10

What are the effects of acid rain

Answer 10

Acidifies lakes and streams,

Accelerates the decay of building materials and paints,

Causes slower growth, injury or death of forests,

Causes health problems.