What are the primary source deposits in the Philippines?

philippines

What are the benefits of primary sources?

Primary sources help students develop knowledge, skills and analytical skills. When dealing directly with primary sources, students are engaged in asking questions, thinking critically, making intelligent inferences, and developing reasoned explanations and interpretations of past and present events and issues.

What is a primary source activity?

Involvement of students with primary sources. 3. Primary sources are the evidence historians use to learn about people, events, and everyday life in the past.

What is primary secondary fuel?

Primary fuels are fuels that are found in nature and can be extracted, captured, cleaned or classified without any kind of energy conversion or transformation process. Secondary fuels are derived from primary fuels through some type of distillation process.

Which is not an example of primary energy?

Crude oil, coal, wind and natural gas are primary energy sources. Electricity is not a primary energy source, it is an energy currency (see Electricity as an Energy Currency for an in-depth discussion). Likewise, secondary fuels are also energy currencies and are not primary energy sources, they must be made.

What is the main source of energy for most ecosystems?

photosynthesis

What is the main source of energy for living things?

The sun

What gas is released during photosynthesis?

The light energy causes a chemical reaction that breaks down the carbon dioxide and water molecules and rearranges them to make sugar (glucose) and oxygen gas.

Which of the following is a primary producer?

Primary producers include plants, lichens, moss, bacteria and algae. The primary producers of a terrestrial ecosystem live in and around organic matter. Since they are not mobile, they live and grow where there are nutrients to sustain them.

What gas is removed from the atmosphere during photosynthesis?

CO2