Example food chain from this food web:
• Phytoplankton get their energy from the
• They are eaten by zooplankton, which are eaten by
• The fish are eaten by the
• The penguins are eaten by the
• The orcas are harvested by

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Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

20 the compound al(nh3)2 has atoms of nitrogen.

What advantages does a pedigree have over a written passage?