Answer: Pride of Islam and center of learning , beautiful city. the city evolved into a significant cultural, commercial, and intellectual center of the Muslim world. This, in addition to housing several key academic institutions, including the House of Wisdom, as well as a multiethnic and multi-religious environment, garnered it a worldwide reputation as the "Center of Learning".
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Answer:
organisms that are best adapted to the environment they are placed in will survive long enough to pass on their genes to their offspring while other organisms will become extinct.
Explanation:
Every now and then an organism in a species will undergo a mutation in their DNA. This mutation could do nothing but it may also lead them to getting, for example, longer legs than their counterparts. This may help them survive longer than other organisms as this mutated adaptation may help them run faster away from predators. These organisms will probably be able to outlive their less fortunate counterparts and they can then pass on their genes to their offspring, who will then gain the same mutated genes which will help them live longer. This continues for generations with the organisms who don't have the more specialised adaptation dying out as they are not able to escape from their predators
<span>hey dug irrigation ditches from the river to their fields so they could bring water to
their crops.</span>
Answer:
It is a Electromagnetic Wave, which does not need a medium to travel through, so radio waves travel through space or a vacuum.
Explanation:
Types of Electromagnetic Waves
Radio Waves. Radio waves have the longest wavelengths of all the electromagnetic waves. ...
Microwaves. Microwaves are shorter than radio waves with wavelengths measured in centimeters. ...
Infrared. Between microwaves and visible light are infrared waves. ...
Visible light. ...
Ultraviolet. ...
X-rays. ...
Gamma rays. ...
B. The United States and USSR
