The Mediterranean Sea is Egypt's northern (border). Mountains provide a souther border. These (natural) barriers protected ancient Egypt against invaders. (Without) the Nile River, though, Egypt would (be) desert land.
The natural barriers that protected Egypt from invasion were the Mediterranean Sea that borders the country to the north, the numerous rapids and waterfalls, known as cataracts, that formed the upper southern section of the Nile river, the expansive deserts to the east and west, and the massive Sahara Desert to the
A) the level of cyanide in the bamboo population will increase
Explanation:
As over the period, the lemur species will develop a resistance for the disease or the toxic chemical and thus there will be an increase of the population of the lemures that had cyanide in there blood or body. As the species have developed a resistance to this chemical.
