Percentages of Lightbulbs Sold Annually to Residents in North America, by Type
2015
2014
• Halogen
• Incandescent
Compact fluorescent
(CFL)
Light-emitting diode
(LED)
- Fluorescent
2013
0% 10% 20% 30% 40% 50% 60% 70%
The demand for which kind of lightbulb has stayed about the same during
this time period?
A. Fluorescent
B. Incandescent
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C. CFL
0
D. LED

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird

Add solid urea to a beaker of water. the beaker gets very cold. is δh favorable or