In recent decades, some landfills have collected gases and used them directly as an alternative fuel or burned them to produce renewable energy in the form of electricity.

Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap

Frequency of electromagnetic waves that a radio station is assigned. what do you call this type of wave?

Atoms seldom exist as independent particles in nature a) as single particles, most atoms have low potential energy b) their electronegativity is much lower when they combine with other atoms c) atoms are more stable when they combine with other atoms d) neutral particles are rare