I won't ever start doing it
Answer:
Nile was natural highway for Egyptian boats to go to other countries for trading
Answer:
Hair
Explanation:
The scientist predict that the contamination occurred several months ago. Under normal circumstances, most organisms would no longer have a trace of exposure in their urine or blood after 3 months. If the organisms exposed to the radioactive three months ago and do not come near that area again within 3 months, the scientist wouldn't be able to identify it.
But, if that substance got into their hair, it will last way longer than that. Hair Analysis is very common to be used among forensic toxicologist to identify contamination that occurred months because of this.
A. Voluntary trade occurs only when all participating nations expect to gain.
Answer:
Grand Canyon
Explanation:
It curs down the Colorado plateau
