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3.4 An average adult’s heart pumps 540 litres of blood in…

3.4 An average adult’s heart pumps 540 litres of blood in one hour. If an adult’s total blood volume is 6 litres, how many times will this blood have to circulate around the body in an hour? (2)

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The trade winds, a prevailing circulation pattern, have the…

The trade winds, a prevailing circulation pattern, have the flow of air ____________ the equator due to the ________ of air. 

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  QUESTION 3     The graph shows blood pressure in…

  QUESTION 3     The graph shows blood pressure in vessels. Study the graph and answer the questions.   Right click on the button to open the diagrams in a new window.    

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1.2 Choose the correct order that blood would flow from th…

1.2 Choose the correct order that blood would flow from the arm to the lungs. (1)

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A consumer eating  producer represents:

A consumer eating  producer represents:

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Mechanical types of beach renourishment include:

Mechanical types of beach renourishment include:

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Scientific inquiry uses the scientific method process and re…

Scientific inquiry uses the scientific method process and requires peer review and replication for validation of scientific work.

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In what phase do the chromatids separate?

In what phase do the chromatids separate?

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The union of an egg and a sperm results in a __________ and…

The union of an egg and a sperm results in a __________ and its chromosome number is _________.

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The exchange of genetic material between non sister chromati…

The exchange of genetic material between non sister chromatids is called:

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