Someone please help me ASAP please

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.

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.