ITS B because the temp changes so it becomes cold
Answer:
d
Explanation:
Alfred Wegener in 1915 published 'The Origin of Continents and Oceans'. But geologists denounced his theory. Wegener's Continental drift is the theory that the different continents of the planet earth have moved over time causing them to shift positions. he thought all continents were once joined together before breaking up to different positions.
Part of the objections he faced was because he did not have much evidences to back up his theory.
<u>ANSWER:</u>
The Grand Canyon was formed by erosion.
<u>EXPLANATION:</u>
- The Grand Canyon is a 'Steep-sided canyon' carved by the 'Colorado river'.
- The Grand Canyon is '446 km long', '29 km wide' and has a depth of over 1857 meters.
- The recent studies have showed that the 'Colorado river' and its tributaries ran through the 'area' about '5 to 6' million years ago.
- Since that time, there is constant erosion by Colorado river. In this way the 'Grand Canyon' was formed by 'erosion'.
Answer: Body waves travel through earths interior while surface waves travel along the earths surface. Body waves travel more rapidly than surface waves.
Explanation: