The sphere that refers to Earth's water is called the
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Submi

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the