Energy needs vary greatly between an urban city and a rural community due to population as well as availability. The most common renewable energy resource for an urban area is . A) power lines B) solar panels C) nuclear power D) wind turbines

In an energy pyramid, which level has the most available energy?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Chromosome 17 is made of over million base pairs.