(19) Another spacecraft that uses Plutonium-238 to generate electricity is the Voyager 1 spacecraft, which launched in 1977. If Pu-238 has a half-life of 87.7 years, what percent of the nuclear fuel remains in the RTG aboard Voyager 1 today? Show your work. [Hint: Use the equation N = e^(-0.008 t)] (20) How many years will pass before 25% of the Pu-238 in Voyager 1 remains? Show your work or explain your reasoning.

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'

your answer would be a, maximum exploitation of resources.