<span>I believe it is light, but this is kind of a confusing question. Technically there is a independent and dependent variable in the question. The variable being manipulated is light, and the earthwork activity depends on the light. </span>
 
        
                    
             
        
        
        
Answer:The second one im sure
Explanation:
 
        
             
        
        
        
B) Meiosis
Meiosis<span> is the process involved in the production of pollen or male sex </span>cells<span> in an angiosperm flower.</span>
        
                    
             
        
        
        
1. 
Identify the type of precipitation that is not one of the main categories.
snow
sleet
<em>drizzle</em> ✓
hail
- It's a a mild fall of drops condensed hence , it's not a main category
- The four main categories are snow ,rain ,sleet & hail
2. 
Which device is used to measure rainfall?
measuring stick
rain gauge ✓ 
rain meter
rain stick
- It calculates the precepated rain in a time period per unit area 
3. 
Which device is used to measure snow?
rain gauge
measuring stick ✓ 
measuring gauge
rain meter
-  A simple measuring stick can measure the thickness of snow