Answer:
46 chromosomes
Humans have 23 pairs of chromosomes, so our hearts have 46 chromosomes.
Explanation:
Hope it helps 
 
        
                    
             
        
        
        
Rajus classmates should be educated on the dangers of bull_ying and the benefits of being kind instead.
<h3>What is bull_ying?</h3>
Bull_ying is an action which is directed to another individual due to real or perceived power imbalance to cause the individual fear or h_arm.
The dangers of bull_ying include:
- causes feeling of worthlessness in the individuals being bulli_ed 
- can lead to self_h_arm such as sui cide 
- bull_ies can be prosecuted. 
By teasing Raju, her classmates are bull_ying her.
Therefore, Rajus classmates should be educated on the dangers of bull_ying and the benefits of being kind instead.
Learn more about bull_ying at: brainly.com/question/1460915
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The answer is D) herbivores
        
                    
             
        
        
        
Answer:
Venous blood 
Explanation:
Arterial blood is carrying oxygen to tissues.....after delivering the oxygen it is venous blood and has less oxygen.
 
        
             
        
        
        
<span>Climax community=when the ecosystem reaches its mature state. After every disturbance, the ecological succession will culminate in the climax community. For example, ecological succession triggered by fires in Yellowstone Park culminates in pine forests. Pioneer species are the first species to colonize an area after a disturbance occurs. They reproduce quickly and survive in harsh conditions. For example, lichens.</span>