which of the following best describes the long-term impact of using a renewable energy source?
answer
geothermal energy can pollute water supplies.
hydropower involves blocking rivers, which disrupts ecosystems.
natural gas causes air pollution when burned.
nuclear power produces radiation, which is harmful if leaked.

Aregular polygon has angkes of size 150° each.how many side has the polygon

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

What is special about a dc circuit ?