Answer:
D
Explanation:
bs I just done that on my work and asked my teacher if it was right she said it was
solution:
You need to find the frequency, and they have already given you the wavelength. And since you already know the speed of light, you can use formula (2) to answer this problem. Remember to convert the nano meters to meters because the speed of light is in meters. 

Answer:
Yes it will
An example is ice, when it melts the volume goes up which means it occupies much more space
Answer:
b. milk spoiling and c. firecrackers exploding
Explanation:
These are both chemical changes, the composition of them change when this happens and it cannot be reversed
Antibodies are produced by a type of white blood cell called a plasma cell.