Which of these best explains how the ocean floor is formed? 1. Ocean currents cause the old ocean floor to erode away.
2. Earthquakes shake the old ocean floor apart in order to create a new floor.
3. Sand and sediment are deposited on the ocean floor.
4. Magma comes through the crust and creates new ocean floor as it cools.

What is associated with mid-ocean ridges?

Short answer/constructed response: respond to the question in 3-5 complete sentences. give details or examples to support your answer. attempt to answer all parts of the question in paragraph form! using the source 1 map, pick two of the 1800's territorial acquisitions you believe were the most important in the development of the united states. provide at least two reasons per territory to explain why you think they were the most important.

A2 cm object is 10 cm from a convex lens that has a focal length of 4.4 cm, the image is 8cm from the lensz the height of the image, to the tenths place is