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2. The frequency of operation of a waveguide is determined by the ___ of the pipe.

You open a new, upscale clothing store. Which of the following should you consider incorporating into your store or the way you do business?

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?

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

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

TOTAL PART 1 = 61MARKS