What is natural selection and what are its effects on allele frequencies?

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.