Quais são as principais propriedades de uma onda? Descreva cada uma delas explicando com suas palavras de que forma cada propriedade interfere na natureza das ondas. (essa resposta é grande) * me ajudem ai gente urgente :(

How does natural selection change thephenotypes within a population over time?

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.