The visible imprint of human activity and culture on the landscape.
1. carbonaceous chondrites
2. laboratory measurement
3. seismic waves
those are the 3 ways af how scientist study it.
:)
<span>Luxembourg and Belgium are both in the Benelux countries. In some places in</span>
World War 2 occurred in the late 40's, so this is most likely why there is a dip in that age group.
<h3>As we know that sum of three angles of triangle is 180º.</h3>
we have


<h3>

The angles a and c are equal so,</h3>
- cb = ab. [ sides opp to equal angles are equal]
so x is also 16
<h3>

Now we have two side we can easily find the third side by P.G.T</h3>
<h3>so the r is root 512 and x is 16.</h3>
Hope it helpa