If the shrimp at the bottom of this food chain has a total of 10,000 units of energy, how much of that energy will the bird receive?

How many variables are altered in a good experiment? a.1 b.0 c.2 d.3

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?

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .