Answer:
Focal length is 6.67 cm.
Explanation:
Object distance, u, from the lens = 10 cm
Image distance, v, to the lens = 10 cm + 10 cm
= 20 cm
Apply the lens formula to determine the focal length, f, of the lens.
=
+ 
=
+ 
= 
= 
Find the inverse of both sides, so that;
f = 
= 6.67
f = 6.67 cm
The focal length of the lens is 6.67 cm.
Answer:
See below
Explanation:
Do encourage your friend or family member to seek professional help.
Don’t be critical of someone’s appearance. Even better, avoid commenting on a person’s weight or appearance at all.
Do show compassion and care, and listen to them non-judgmentally
Don’t get frustrated or annoyed by the person’s eating habits or try to force them to eat or not eat.
Do reiterate that eating disorders can be treated successfully.
Don’t try to guilt-trip the person into feeling bad about their behavior by focusing on how it’s affecting other people.
Do be patient. Eating disorders aren’t resolved overnight. People often take a while to change their behaviors . Try not to be upset if a person reverts to their disordered eating. Instead, encourage them to try again and to keep aiming for recovery.
ATP is a source of energy
adenosine triphosphate
Adenine
Ribose
3 phosphate
1.Multicellular
2.Eukaryotic
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