What molecule is produced by the body to help fight pathogens when it has invaded the body

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.

When organisms convert from of energy, what usually results

Why do german shepherds shed so much