All answers are correct which is number 4. When you have shortened, rephrased, or cited other people's work, it is vital that the basis of that info be specified. Using other peoples' arguments and thoughts is a normal exercise in advanced writing: it helps give power to your opinions; it helps show that you are acquainted with the argument which environs your subject; it gives penetration and diversity to your paper.
Answer:
Explanation:
Superposition results in adding the two waves together. Constructive interference is when two waves superimpose and the resulting wave has a higher amplitude than the previous waves. Destructive interference is when two waves superimpose and cancel each other out, leading to a lower amplitude.
Answer:
It was found in the Blombos cave in South Africa and dates back more than 70,000 years. This discovery suggests that abstract thought in humans occurred much earlier than once thought, as seen with the complex geometric array of carved lines.
I hope this helps
I think the answer to this riddle is Happiness?