Sputnik 1 was important because it was the first: mission to mars man-made object launched into space manned expedition into the challenger deep submerisble diving machine

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present