Answer:
Corals reef is a underwater ecosystem that builds on limestone beds, CaCo3
Explanation:
- They have exoskeletons made up of limestones and its possible that the corals might have moved offshore with changes in the sea levels as, he finds an abundance of large clam fossils, that produce within the interlocking of limestone section.
- Since the clam is made up primarily of coral fragments its possible that the corals might have buried under the landmass when the upliftment was completed.  
- The skeletal remains of the coral polyps that are now stratified in the rocks are suggestive of reef formation around the landmass earlier period and these were mostly found in tropical oceans.  
- Thus as he moves away and sees limestones with shales, which has clam fossils he had seen previously. 
 
        
             
        
        
        
Silicate materials.
Mark as brainiest please!~
        
             
        
        
        
Number 1: Freezing
Number 8: Degrees
 For a little boost (:
        
             
        
        
        
Answer:
Leeward
Explanation:
Mountains can act as a climatic barrier by blocking prevailing winds and trade winds from getting to the other side of the mountain. 
The area that faces the winds is called the windward side. This side receives most of the moisture picked up by the winds from the oceans. This is why it is wetter on this side. 
The LEEWARD side is a lot drier because the mountain blocks most of it and as the winds climb up the mountain, most of the moisture is well spent and fall on the windward side. By the time the wind gets to the other side of the mountain, they are dried up already. The <u>leeward</u> side is the area that faces away from the wind.