Plz which of the following is most likely not present in creating the fatty acids of early earth's waters of the past? a. phosphorus b. nitrogen c. hydrogen d. ammonia

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

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?