unit 1 health lesson 2

Question 1

this is the permament removal of large areas of forest usually to transform the natural ecosystem in the area to serve another purpose

Answer 1

deforestation

Question 2

philippine frest coverage has declined to as low as 6.6% and the country’s deforestation rate is now the highest in the southeast asia at 1.4% anually.

Answer 2

true

Question 3

is the primary contributor to forest loss in the country department of environment and natural resources DENR rev

Answer 3

logging

Question 4

department of environment and natural resources DENR revvealed that timber harvesting increased by nearly 30% which significantly reduces the volume of groundwater

Answer 4

true

Question 5

this happens when the rain falls so fast that the underlying ground cannot cope or drain it away fast enough

Answer 5

flash floods

Question 6

6 hours of continuous rain

Answer 6

true

Question 7

characterized by a rapid stream rise that can reach the banks of creek or a river

Answer 7

flash floods

Question 8

this is the removal of soil sediment and rock fragments from the landscape

Answer 8

soil erosion

Question 9

three processes in soil erosion

Answer 9

detachment, entrainment, and transport

Question 10

this is the release of liquid petroleum to the environment most often the ocean

Answer 10

oil spill

Question 11

explosives

Answer 11

dynamite fishing

Question 12

divers por poison on the reef which stuns the fish kills the coral polyps and destroys the coral

Answer 12

cyanide poisoning

Question 13

used to extract gold from ore

Answer 13

cyanide separation

Question 14

greatest challenge for humanity in the 21st C

Answer 14

climate change

Question 15

serious nuisance and threat to life

Answer 15

pollution