11. The image below shows what happens when cold medicine tablets are placed in room-temperature water. What evidence would indicate that a chemical change has occurred?
Water level rises
Bubbles produced
Tablets dissolve
Water becomes cloudy
a. The tablets dissolve in water
b. A gas develops
c. The water becomes cloudy
d. The water level increases slightly
2/7

a.The tablets dissolve in water

Explanation:

I picked this as an answer because if you see the question it looks like it would be vinegar and they drop the tablets and then after the tablet dissolves.

Bubbles Produced

Explanation:

This is the answer because when you see bubbles it indicates that there was a chemical reaction.

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

the cover letter for a job search includes the skills one has for the particular job. including a cover letter is always a good idea, as it describes the ability to perform a task, and the employer can easily fetch the intention of the job you want to do.  

the cover letter is very important to be included in the job search document. hence, i strongly with the statement.