The lamp transfers electric energy into both light and thermal energy when it turns on
        
                    
             
        
        
        
This is a Rift Valley. 
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1.3s
Explanation:
Given parameters: 
Height = 1.4m 
Gravity on moon = 1.67ms⁻¹
Unknown: 
Time for feather to fall = ? 
Solution: 
To solve this problem, we are going to use one of the motion equation that relates time, gravity and height. 
     H = ut + 
 Sine the body was dropped from rest, initial velocity is zero; 
  H = height 
   u = initial velocity 
   t = time 
   g = acceleration due to gravity
since u = 0;
H = 
  1.4 =  x 1.67 x t²
 x 1.67 x t²
   t = 1.3s
learn more: 
Gravity brainly.com/question/10934170
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Answer:
exponential
Explanation:
type of function that describes the amplitude of damped oscillatory motion is exponential because as we know that here function is
y = A ×  × cos(ωt + ∅ )    ..................................... ( 1 )
  × cos(ωt + ∅ )    ..................................... ( 1 )           
here function A ×  is amplitude
   is amplitude 
as per equation ( 1 )it is exponential 
so that we can say that amplitude of damped oscillatory motion is exponential 
 
        
             
        
        
        
C. Temperature, chemical composition and mineral structure
Explanation:
The Bowen's reaction series illustrates the relationship between temperature, chemical composition and mineral structure. 
The series is made up of a continuous and discontinuous end through which magmatic composition can be understood as temperature changes. 
- The left part is the discontinuous end while the right side is the continuous series. 
- From the series, we understand that a magmatic body becomes felsic as it begins to cool to lower temperature. 
- A magma at high temperature is ultramafic and very rich in ferro-magnesian silicates which are the chief mineral composition of olivine and pyroxene. These minerals are predominantly found in mafic- ultramafic rocks. Also, we expect to find the calcic-plagioclase at high temperatures partitioned in the magma. 
- At a relatively low temperature, minerals with frame work structures begins to form . The magma is more enriched with felsic minerals and late stage crystallization occurs here. 
Learn more: 
Silicate minerals brainly.com/question/4772323
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