Answer:
Lightly pigmented people tend to be at higher risk of vitamin D deficiency
Explanation:
BACKGROUND KNOWLEDGE: 
Human skin is the largest organ of the body which makes boundary line between environment and internal conditions.  Human skin cell produces pigment called melanin when ever it is subjected to Sun. More the melanin pigment produced more will be the skin darkens. Ultraviolet (UV) radiations also come from Sun and responsible for more pigmentation.
ANSWER EXPLANATION:
According to the question darkly pigmentation only occurs when their is high level of UV radiations. High level of UV radiations are also responsible for Vitamin D production. 
People with lightly pigmented means that there environment has low level of UV radiations which are the requirement of Vitamin D production. Hence due to low UV radiations peoples with light pigmentation's are also be at higher risk of vitamin D deficiency
 
        
             
        
        
        
first of all, wind energy is a renewable source of energy and fossil fuels is a non renewable
the method of obtaining them is also different i.e , wind energy can be obtained when wind turns turbines , and fossil fuels are burned to give energy...
 
        
             
        
        
        
Answer:
Third one down 
Explanation:
RR is heterozygous dominant and Rr is heterozygous recessive
 
        
                    
             
        
        
        
<span>1.      
</span>Cones perceive
light in color while rods perceive light in black and white.
<span>2.      
</span>Rods can perceive dim light, unlike cones. The rods are located at the edges of the eyes. This is why it easier to perceive an image in the dark through
the corner of the eyes.
<span>3.      
</span>The discs that compose the cones are usually
partially open to the surrounding vitreous
fluid while those of the rods are closed. 
 
        
             
        
        
        
Answer:
its an illuminated
Explanation:
An easy way to remember and understand those "between" lunar phase names is by breaking out and defining 4 words: crescent, gibbous, waxing, and waning. The word crescent refers to the phases where the moon is less than half illuminated. The word gibbous refers to phases where the moon is more than half illuminated.