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define filtration process ​

Describe the layers of the suns atmosphere?

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?

Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind