The rate of photosynthesis is affected by light intensity, temperature, carbon dioxide concentrations, and chlorophyll. In this video we explore exactly how, and also how farmers can use this knowledge to increase the yields of their crops.

This video covers the effects of exercise on the body, including details about respiration and the oxygen debt.

Annie Farmer, an Epstein Survivor, talks about attending the State of the UnionSource: Eric Garcia

Mr. Griot describes how to write a nonfiction expository writing essay.

Maintaining a healthy body is a fundamental part of leading a fulfilling, successful life. This series of videos highlights many of the basic things everyone can do to maintain a safe and healthy lifestyle. Concepts and terminology...

A hook is a sentence or group of sentences that will capture or “hook” your reader’s interest and lure him or her to keep reading. The hook, also called the lead, will set the tone and mood for your essay and establish A hook can be a...