<span>Based on a study of recreational drugs that have been linked with a higher incidence of sudden infant death syndrome was the use of Marijuana and other recreational drugs like cocaine, crack, crystal, amphetamine, methamphetamine, and speed but cocaine was the most commonly used drug. The basis of the infant sudden death was that both maternal and paternal were using at the time of conception and during in the latter stage of pregnancy. Tobacco smoking of the mother during pregnancy can also affect the life of the baby. There is statistics base on the study on how many percents it will affect the condition of the infant.</span>
        
             
        
        
        
Answer:
a. 
Explanation:
Engery is the driving force of the oxygen cycle is photosynthesis itself, which is responsible for the creation and maintenance of earth's atmosphere.
 
        
                    
             
        
        
        
Answer:
In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, (visible) light, ultraviolet, X-rays, and gamma rays.
Explanation:
If I understood the question.
 
        
             
        
        
        
<span>Cenozoic
</span><span>Mesozoic
</span><span>Paleozoic
</span><span>Precambrian </span>