The statement which explains why muscle cells and skin cells do not look and act the same is this: THE GENES IN EACH TYPE OF CELL ARE BEEN EXPRESSED DIFFERENTLY.
All the cells in human's body has the same set of genes, this is because, all the cells in the body originated from a single fertilized egg. Even though all the cells in the body has the same origin, they are different from one another because, the cells use the same set of genes differently.
Oceanic Crust is the thinnest
Answer:The semi-conservative nature of DNA replication prevents mutations because every new base incorporated must be able to base pair with the original.
Ash can be harmful to an environment. It mostly depends on how much ash there is though. If a volcano erupted such as Mt. St. Helen's then yes that can harm an environment. Ash can cover the sky and block out the sun for days before disappearing and that will affect the life of plants
THE WORLD RESOURCES SIMULATION CENTER. ... The WRSC will provide global leaders from business, governments, education and NGOs a resource for cooperation and collaboration to make informed and sustainable choices for humanity as a whole in the shortest possible time.
