<em><u>Answer:</u></em>
<em><u>Ang Mundo ay maaaring hatiin sa apat na pangunahing layer: ang solidong crust sa labas, ang lalaki, ang panlabas na sentro at ang sulok ng panloob na sulok. Mula sa kanila, ang mantle ay ang makapal na patong, habang ang crust ay ang manipis na patong.</u></em>
<em><u>Explanation:</u></em>
<span>Shale rock is most likely to be changed to slate during regional metamorphism. it is a mix of mud, clay minerals, quartz and calcite. It is the most common sedimentary rock. this rock is formed by the deposition of slow moving water mainly in lake,river etc.Black skales are rich in unoxidised carbon.</span>
The respiratory zone is the site of 02 and CO2 exchange with the blood;
site of gas exchange.
These simple steps will guide you through the essay writing process:
<span>Decide on your topic.
Prepare an outline or diagram of your ideas.
Write your thesis statement.
Write the body.
Write the main points.
Write the subpoints.
Write the introduction.
Write the conclusion.
<span>Add the finishing touches.
http://lklivingston.tripod.com/essay/
</span></span>