The ocean’s surface temperature varies with latitude and <span>time of year.</span>
        
                    
             
        
        
        
Here is the answer. The <span>epithelial tissues that secrete hormones and other substances used in metabolism are the glands. These glands belong to the endocrine system. Hope this answers your question. Have a great day ahead!</span>
        
             
        
        
        
Answer:
Ways in which people positively affect ecosystems around the world include: Recycling. Establishing wildlife preserves and parks. Creating green, open space laws.
Explanation:
:D
 
        
             
        
        
        
Answer:
The answer is "A" 
Explanation:
They cannot make their own food, they are heterotrophs 
 
        
             
        
        
        
10
Explanation:
The Ritcher scale is a logarithmic scale and it suggests that the number increases by a factor of 10. 
One point on the scale differs from another by an order of 10. 
- The Ritcher scale is used to measure the magnitude of earthquakes in a particular area. 
- It is graduated form 1 to 10
- The magnitude of the quake increases as one moves from 1 through 10. 
- This is because the magnitude of the quake actually increases by an order of 10. 
Learn more: 
Earthquake brainly.com/question/6520403
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