Cardiovascular diseases are impairments and complications that occur within the heart and/or blood vessels of the circulatory system. Now, many factors are believed to cause this condition which are stress, unhealthy lifestyle, and others. Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
        
             
        
        
        
Things such as coal and oil are limited because they are only found in some places
        
             
        
        
        
Answer:
Industrial Revolution
Explanation:
In the 18th century, the industrial revolution took place. People started having more jobs than before and also getting paid for their labor. As the workers and employees were getting paid and jobs were available because of the industrial revolution, people started buying goods for their families. As a result, the standard of living also went up. Also, there was enough food for families to grow. As a result, the total population increased. In the 18th century, for the first time, the total population reached 1 billion landmarks. 
 
        
             
        
        
        
The process of DNA replication begins with one double-stranded molecule of DNA. The two strands of this molecule separate during replication, and DNA polymerases add complementary nucleotides to each strand. The end results of DNA replication are two identical DNA molecules
        
             
        
        
        
<span>The answer is a), all red, as no white alleles are present in the parents, [ and hence cannot be passed on to the offspring. Showing work- Let R represent the dominant (red) allele: RR(male) x RR(female) ----> All RR offspring.</span>