Answer:
D.) Oxygen-poor
Explanation:
The pulmonary veins are the vessels that carry the oxygen-rich blood to the left atrium 
 
        
             
        
        
        
Answer:
Analytical
Explanation:
According to the triarchic  theory of intelligence, which was propounded by Robert J. Sternberg, the type of intelligence that is used in problem-solving is called the <em>analytical intelligence.</em> This type of intelligence is also referred to as componential intelligence. It gives one the ability analyze and evaluate ideas, or make logical judgment when faced with a problem. It is usually measured by a standard IQ test.
 
        
             
        
        
        
With type 2 diabetes<span>, the body still produces insulin but it is insufficient or ineffective. Approximately 90% of </span>diabetes<span> cases are </span>type 2<span>. Prediabetes is a condition when the blood glucose levels are higher than normal but not high enough for the diagnosis of </span>diabetes<span>.</span>
        
                    
             
        
        
        
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Answer:
The positive and negative advertisement may be backed by use of scientific facts.
Explanation:
- Ad selling is the process of selling advertisement  by the company for platforms such as tv, radio and internet. The message they want to give is related to the use and benefits of the products and services. Targeting and segmentation techniques is used for ad selling.
- Such as ad selling by the company named Med shakes which gives a picture of shake which is beneficial and optimal for ideal health. 
- The and tries to convince the buyer to buy to products as conveys its genuine and is backed by scientific facts. Show the positive side. While the same ad may be considered to have side effects for some people.