Answer:
Hi! I think that it is D. I am not 100% sure on it though so I'm so sorry if thats
wrong. Hope this helps though!
The Andes mountains running along the western edge of south america were formed by collisions between the south american plate which is continental and the nazca plate which is oceanic. The collision reasons the continental crust to clasp and form fold mountains which are then scattered with volcanoes produced by melting of nazca plate as it is enforced down into the earth’s mantle.
Answer: I wish I could answer I speak English
Explanation: free points! Thank you
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a. Cassegrain focus</span> is the focal arrangement in a Cassegrain reflector used in optical telescopes and radio antennas. The primary mirror is a concave mirror, and the secondary mirror that reflects the focused light back to it is a convex mirror.