Que papel tuvo la esclavitud dentro del desarrollo de egipto y mesopotamia

Take 35 pointplease help

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.

5. The deepest layer of the skin is called:

A: dermis.

B:epidermis.

C: subcutis.

D:

fat tissues

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.

was the answer correct?