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Answer:</h3>
- Can only be seen while looking through a lens
- May appear larger than the object
- Appears to come from behind the lens
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Explanation:</h3>
To answer this question we need to ask ourselves;
What is a virtual image?
- A virtual image is an image that can not be formed on a screen.
- It is formed by rays that appear to converge at a point.
What are the characteristics of a virtual image?
- A virtual image can only be seen while looking through lenses
- The image appear to come from behind the lens
- It may be larger than the object
- It can not be projected onto a screen.
- It is always upright
C. An ionic bond is a bond between charged atoms while a covalent bond is a bond between opposite charges
Social interactions help lower the risk of Alzheimer diseases by stimulating the brain. Many studies show that if you use your brain more you have a lower chance of getting Alzheimer's.
Again great job! They all look correct except 20. is 3.7 due to sig fig of least precision, which you have a mark by!! You don't even need help!;) Here comes the next chemical engineer! :)
Wait a second...I am sorry I don't know the answer but I have something to tell you.
It is not necessary that in alcohols, OH should be at the end of a chain .
It can be anywhere in the chain..
