Answer:
D
Explanation:
it's mollusk because humans eat oysters and clams and they are part of the mollusk family. I'm not sure but im pretty sure
 
        
             
        
        
        
Answer:
1.  Always put hair up at all time Because if you don't you can accidently burn your hair and you don't want to get chemicals on it. 
2. Always Wear your goggles Because if you don't your eyes can start like burning if you get to close to a chemical and when you have your goggles on it won't burn at all. 
3. Always wear gloves because if you don't your hands can get Irritated because you can touch sum with your bare hands and It will probably be something that can make your hand burn  
Ik I have a lot of burning things in there but Ik from experience lol 
Explanation:
 
        
             
        
        
        
The answer is c) a number and a unit
        
                    
             
        
        
        
Suppose bad weather and pollution dramatically reduce the supply of crawfish in Louisiana next year. This would most likely lead to an increase in the marginal utility of crawfish consumption.
Marginal utility of a commodity or service is the change in total utility resulting from consuming an extra unit of that commodity or service.
The marginal utility of a good or service tells about the happiness experienced or the contentment obtained by the consumers as a consequence of the increment or decrement in consumption by one unit. 
There exist three kinds of marginal utility. They include positive, negative as well as zero marginal utility.
To learn more about Marginal utility here
brainly.com/question/15561406
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