Land and Deforestation

Question 1

The degradation or destruction of earth’s surface and soil, directly or indirectly as a result of human activities

Answer 1

Soil Pollution

Question 2

Causes of Land Pollution

Answer 2

1. Degenerative Actions
2. Misuse of Land
3. Soil Pollution
4. Land Conversion

Question 3

Effects of Land Pollution

Answer 3

1. Effects on Climate
2. Bio Magnification
3. Extinction of Species

Question 4

The felling and clearing of forest cover or tree plantations in order to accommodate agricultural, industrial or urban use.

Answer 4

Deforestation

Question 5

Causes of Deforestation

Answer 5

1. Agricultural Activities
2. Mining
3. Urbanization
4. Desertification

Question 6

Effects of Deforestation

Answer 6

1. Climate Imbalance
2. Soil Erosion
3. Floods
4. Wildlife Extinction

Question 7

The extraction ofvaluablemineralsor othergeological materials from the earth from anore body,lode,vein,seam, orreef, which forms the mineralized package of economic interest to the miner.

Answer 7

Mining

Question 8

Philippine Mineral Reserves

Answer 8

Gold
Copper
Nickel
Chromite
Iron
Bauxite
Marble
Limestone

Question 9

Mining Disadvantages

Answer 9

1. Habitat Destruction
2. Acid Run-off from Mines
3. Deforestation

Question 10

The practice of tilling sloped land along lines of consistent elevation in order to conserve rainwater and to reduce soil losses from surface erosion.

Answer 10

Contour Farming

Question 11

It is defined as alternating crop rows between heavy-rooted plants and loosely-rooted plants to minimize erosion.

Answer 11

Strip Cropping

Strip Farming

Question 12

Method of growing crops on sides of hills or mountains by planting on graduated terraces built into the slope.

Answer 12

Terrace Cultivation

Question 13

The one that has a critical role in determining and maintaining the overall relationships of plants and animals within an ecosystem.

Answer 13

Keystone Species

Question 14

Includes a lot of human actions that affect the soil

Answer 14

Degenerative Actions

Question 15

Mainly refers to cutting trees to clear land for agriculture

Answer 15

Misuse of Land

Question 16

Converting a piece of fertile land into dessert-land or dry-land

Answer 16

Desertification

Question 17

It os precisely during such conditions that man has to resort or measure such as deforestation and others to meet his needs

Answer 17

Inefficient Use of Land

Question 18

Caused by wrong agricultural practices

Answer 18

Soil Pollution

Question 19

When a piece of land is converted from its indigenous form to a form used for either agriculture or infrastracture

Answer 19

Land Conversion

Question 20

Effect of land pollution that affects the rain

Answer 20

Effects on Climate

Question 21

Process in which certain non-biodegradable substances go on accumulating in the food chain

Answer 21

Biomagnification

Question 22

Species are pushed towards endangerment and extinction

Answer 22

Extinction of Species

Question 23

Fragmentation of the natural habitat of an organism

Answer 23

Habitat Fragmentation

Question 24

When land clearing adversely affects animals special such that their natural habitat is lost

Answer 24

Habitat Destruction