What I usually do to start a thesis or intro is go off with a hook. so start it with why you like to draw. for example: drawing has always played an important role in my life. i want to teach others how to draw so they can understand and enjoy this art...etc, etc
Answer:
<u>1</u><u>)</u><u>Amplitude</u>
<u>2</u><u>)</u><u>Modulation</u>
<u>3</u><u>)</u><u>Frequency</u><u> </u>
<u>4</u><u>)</u><u>Modulation</u>