Answer:
Explanation:acid etching
etching
the cutting of a hard surface such as metal or glass by a corrosive chemical, usually an acid, in order to create a design.
etching - etching of dental enamel with an acid in order to roughen the surface, increase retention of resin sealant, and promote mechanical retention.
acid etching
microscopic roughening of dental enamel with an acid (usually phosphoric acid) to remove the smear layer and open enamel tubules, increase retention of resin sealant, and promote mechanical retention.
acid etching Dentistry
The application of a weak acid—e.g., 30% phosphoric acid—to the surface of enamel to roughen the surface of a tooth before bonding a resin or veneer; acid etching increases mechanical retention, cleans the enamel and improves the wetting of resins. See Cosmetic dentistry.
Answer:
Clouds are water
Explanation:
When a gas gathers up into a cloud,the cloud starts to rain and water comes out of the cloud.
Answer:
Wavelength of Radio wave = 10² meter = 100 meters, frequency 10 power 6 htz,
Wavelength of gamma ray = 10 power -12 meters = 0.000000000002 meters, frequency 10 power 20 htz
frequenc
Explanation:
Answer:
running the reaction in an inert gases
Answer:
I think your answer is either b or c but I think b is more likely to be your answer
