Why do some human traits, such as height and hair color, show a large number of phenotypes?

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power