The next layer is about 30 million years older and contains plant fossils in its mixed shale, limestone, and sandstone rock layers. The third to last layer is full of brachiopods, trilobites, and trilobite tunnels. You believe it is the oldest layer above surface in the Grand Canyon.
Answer:
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Explanation:
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Answer:
C. The behavior of an organism is not influenced by either its heredity or its environment.
The only nonmetal
that is liquid at room temperature is the element Br or Bromine. When we say at
room temperature, it means at zero degrees Celsius and at one atmospheric
pressure. The metal that is liquid at room temperature is the element Hg or
mercury.
