If an individual were heterogeneous then there would be a 50/50 chance of being either dominant or recessive. I hope this helps. :)
Mass transit can help reduce air pollution in urban cities because there are fewer cars on the roads, creating less pollution.
Answer:
Human Activitys.
Explanation
The goods we use, travel around the world very quickly, and they often carry uninvited species with them.
The best way to determine the presence of halogens is by adding a silver nitrate solution to the solvent. This is because all halogens, except for fluorine, produce a precipitate with silver nitrate solution.Chlorine produces a white precipitate, bromine produces a pale cream colored precipitate and iodine produces a yellow colored precipitate.
If further testing is required, concentrated sulfuric acid may be added. The sulfuric acid will produce misty fumes with fluorine and chlorine, brown fumes with bromine and purple fumes with iodine.
hope this helped :)
alisa202
Answer:
I believe that A is the answer
