<span>If a chemist adds ammonia to a cleaner, he would expect the litmus paper to turn blue. Ammonia is a basic compound with no ions, however in solution it gains an ion and becomes ammonium. These basic ions interact with the litmus paper and turn it blue.</span>

8 0

2 years ago

Chloe’s mother wants to have another child. However, she is concerned that a second child might also have CF, so she encourages

Sonja [21]

1 out of 2 chances. If he was tested for CF at a certain time, he may not have had CF strong enough for the radar to detect it. However, the mother may also carry CF, which could lead to a stronger chance of CF in the next child.

8 0

2 years ago

After studying the various sources of drugs, a group of students demonstrate a need for additional study when they identify whic

Zinaida [17]

Answer:

Here are the options to complete the question

A. plants

B. animals

C. inorganic compounds

D. genetic engineering

The CORRECT ANSWER IS D.

D. genetic engineering

Explanation:

Drugs can be produced or obtained by extracting the essential component needed from a plant source, animal source and inorganic compounds.

Genetic engineering is a synthetic source of drug production, needed to solve or make ready drugs with the aid of advanced technology/process.

7 0

3 years ago