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3. The two types of adaptive antennas are: ___ and ___.

Which action of ionizing radiation is most prevalent and most harmful to the human body?

1.4.6 Refer to station model F and identify the following weather phenomena. (a)      Precipitation                                                                                                     (b)      Cloud cover                                                                                                         (c)       Wind speed in knots                                                                                                 (6)

According to the picture: The solution on the left must have a pH of _______.

Which of the following systems is responsible for gas exchange?

1.4.2 Provide the name of the pressure cell labelled B.     (1)

1.1.1  The change of state from gas to solid is called___________________. (1)  

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According to the picture: The solution on the left must have a pH of _______.