The enormous complexity of cells supports the theory of.. inetelligent design or evolution

How does friction with the atmosphere affect the speed of an artificial satellite

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

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from