Answer:
a
Explanation:
Mandela was jailed because of apartheid
B. because as people moved into and out of Europe they brought with them different social and cultural aspects that affected the art and literature of the era
They are top producers of diamonds
ANSWER: Constructive interference
Explanation: The amplitudes of in phase points on overlapping waves add up to make a result of a larger amplitude.
ANSWER 2: Destructive interference
Explanation: The amplitudes of out of phase points on overlapping waves subtract to make a resultant with a smaller amplitude
ANSWER 3: Wave interference
Explanation: Two waves overlap.
If you could dig a tunnel right through the Earth you could theoretically free-fall to the centre of our planet in just eighteen minutes. You can’t, of course: such a tunnel would have to tolerate temperatures as high as the surface of the Sun and pressures three and a half million times greater than those at the Earth’s surface.