Answer:
The magnitude of the angular acceleration is 
Explanation:
From the question we are told that
The angular speed of CD is 
time taken to decelerate is 
The final angular speed is 
The angular acceleration is mathematically represented as

substituting values


The negative sign show that the CD is decelerating but the magnitude is

Answer:
Carbon dioxide
Explanation:
During photosynthesis cells use carbon dioxide and energy of sun to make sugar molecules and oxygen.
Hope i helped u...
They all produce light and stuff
<span>4) Formation of a gas
When methane burns, it produces the gases water vapor and carbon dioxide.
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<span>The atom becomes positively charged.
When you add electrons to a neutral atom, it is no longer a neutral atom, it has a negative change and is an anion. When you take away electrons from a neutral atom, it is no longer a neutral atom- it becomes a positive atom, and is a cation.</span>