Question 5(multiple choice worth 3 points) which of the following contributes to the movement of tectonic plates? i. deposition of sediment on the ocean floor ii. push of newly formed crust iii. mantle convection i only ill only i and ii ll and iil i, ii, and lli

Option (2)

Explanation:

Earth's crust is comprised of lithospheric plates. This lithospheric plates are divided into two types, namely  

(1) Oceanic plate

(2)Continental plate

These plates continuously move over the layer of the Asthenosphere, due to the convection current in the mantle. These currents are generated due to the heat energy radiated from the interior of the earth. The magma at the lower mantle near the core-mantle boundary gets heated up and becomes less dense. As a result of which it comes up to the upper mantle, and during this process, it forces the crust to move from place to another forming either of the three plate tectonic boundaries.

This plate motion takes place in three ways and they are as follows-

(a) Divergent plate motion

(b) Convergent plate motion

(c) Transform plate motion

Hence, the correct answer is option (2) i.e III only.

the proximity of water was an advantage to western europe and its culture was able to flourish as a result. trade and travel by sea were easier and safer in historical times.

1. there are no mountains to protect it from the sea

2. and its has wet cool summers and wet, mild winters.

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