Hello Abhinav the answer is ��cm^2

Take 50 point

Q: choose the best correct answer .

1. During the treatment of hyperopia with PRK, the curvature of the anterior corneal surface must A: be flattened. B: remain unchanged. C: be steepened.

2. Er:YAG lasers are not suitable for the treatment of caries because of A: cytotoxicity. B: low efficiency. C: thermal effects.

3. Angioplasty with excimer lasers is likely to induce A: atherosclerosis. B: restenosis. C: thermal injury.

4. In stapedotomy with Er:YAG lasers, the fluence should be limited to A: 1 J/cm2. B: 10 J/cm2. C: 100 J/cm2.

i still se question marks

Step-by-step explanation:

you should talk someone who owns the website about it. you did not deserve to have all that hard work and time taken away. id watch videos of little puppies to cool you down, and maybe some nacho cheese doritos.