Achange in the base subunit sequence during dna replication can result in

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?