Methane, overview, carbon dioxide, Fluorinated Gases
        
                    
             
        
        
        
The correct answer is soil structure. Soil structure refers to the arrangement of soil separates into units which are called soil aggregates which possess solids and pore space. Aggregates are separated by planes of weakness and are dominated by clay particles. Example of an aggregate is silt and fine sand.
        
             
        
        
        
Answer: birds and the bees/cartoon 
Explanation:if they are 13 an up tell them about the birds and the bees but if they younger than that show them a cartoon 
 
        
                    
             
        
        
        
Some advantages and disadvantages of growing tall as a plant are as follow: Tall, Growing tall can lead to larger amounts of wind pressure on its stalk so it can not stand up easily. More birds and other flying insects will be driven to land on it and feed on it. It also has less protection from things around it. Some advantages are it will get sun easier, it will be able to spread its offspring easier and it will not get trampled. Some advantages and disadvantages of growing short are as follows: Short, Growing short can lead to less animals able to feed on your fruit and spread your seed. They can be trampled easier and move things tend to hide in its flourish of leaves. It gets eaten by more since it is easier to reach. Some advantages, it will not have very much wind blowing on it at all times, it has protection from other elements because it is close to the ground.
        
             
        
        
        
Answer:
Osteoclast break down the calcified extra-cellular matrix. They secrete an acid that dissolves the inorganic component of the calcified matrix. After the osteoclasts remove the extra cellular matrix, osteoblasts deposit new bone tissue.
Explanation: