Solar cells harness the sun's energy and convert it into electricity. however, the cost of this clean energy is much higher than the cost of energy produced using fossil fuels. what development might reduce the prices of solar energy? a) the use of more wind energy. b) the discovery of new coal deposits. c) the expansion of off-shore drilling. d) the invention of cheaper solar panels.

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor