Develop a hypothesis relating to the pH level of the culture media and the number of bacterial colonies observed in each culture.

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit

Disaccharides include what sugar molecules. true or false?