Among six kingdom of living things which one does not have a cell wall

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Which statement best describes the role of religion and culture in ancient medicine?