Marketing led (light-emitting diode) lightbulbs, such as the cree led bulb, have been available for only a few years in low lighting levels (lumens). they are designed to replace incandescent and compact fluorescent lightbulbs, in part because of a federal law that phases out incandescent lightbulbs in favor of more energy-efficient ones. led bulbs are more expensive but will last up to 20 years. in what stage of the product life cycle is this product?

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america