ENVI SCI FINALS

Which of the following is NOT an importance of forest?

• Source of Food

• Source of raw materials

• Disaster Risk Reduction

• Threat to Life

Unsustainable use of resources may lead to ecological disruption.

• True

• False

Overfishing can disrupt the environment and may lead to food insecurity.

• True

• False

is a process of mineral extraction from the surface of the Earth either from land or from the seas.

Oxygen is a gas used by most organisms for respiration.

• True

• False

The carbon cycle refers to the exchange of Carbon among four reservoirs:

• atmosphere

• oceans

• land

• fossil fuels

• metals

Republic Act 8749 is also known as the Clean Air Act of 1999, is a comprehensive air quality management policy and program which aims to achieve and maintain healthy air for all Filipinos.

• True

• False

Most farm-related emissions come in the form of these gases from cattle belching and natural or synthetic fertilizers and wastes to soils.

One of the trace gases and used for photosynthesis by photosynthetic algae, plants and cyanobacteria.

It is an organic compound that contains fluorine and hydrogen atoms.

• Hydrofluorocarbons (HFCs)

• Sulfur Hexafluoride (SF6)

• Nitrous Oxide (N2O)

• Methane (CH4)