The organelle responsible for keeping the cell clean is the cell membrane.
<span>ny scientist studying a species could change the name. These long ... To classify organisms, scientists use similarities and differences among species. ... MATERIALS ... also use genetic evidence, which is found within an organism's DNA.</span>
Answer: Fossil fuels are made up of dead plant life example trees, bushes, etc., and when burned they release carbon in the air
Answer:
According to the current fossil record, scientists believe that the life on earth began about 3.5 billion years ago.
