What could people change that would reduce the burning of fossil fuels?

Weights of golden retriever dogs are normally distributed. samples of weights of golden retriever dogs, each of size nequals15, are randomly collected and the sample means are found. is it correct to conclude that the sample means cannot be treated as being from a normal distribution because the sample size is too small? explain.

What best describes lactic acid fermentation?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain