Answer: highly bouncy chick unchain Vicki bunch
Explanation:
Yk fr t tonight fine
If the pitch was higher you would have to draw the dots waiver. You get it?
Like this:
Answer:
Yes.
Explanation:
Because the world already has so many environmental problems like global warming and pollution, just buying one eco-friendly product means you're helping the environment at that very second. So, why not just do it?
Answer:
The value is 
Explanation:
From the question we are told that
The power output is 
The mass of the steel is 
The temperature of the water is 
The time take is 
Generally the quantity of heat energy given out by the electric stove is mathematically represented as

=> 
=> 
This energy can also be mathematically represented as

Here
is the specific heat of stainless steel with value 
tex]c_s[/tex] is the specific heat of water with value 
m_w is the mass of water which is mathematically represented as

=> 
So


converting to 

wave velocity = frequency × wavelength
300 = frequency × 0.75
Frequency = 300÷0.75 = 400 HZ