I belive the answer is b. <span>the negative consequence an element has for the stability of the social system.
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Answer: The Invention of the timer gear on fighter aircraft, the monoplane and more advanced aircraft such as fighter and bombers. the tank, the submarine, the machine gun, the dreadnought, the semi-auto rifle, chemical weapons, and the sub-machine gun. The tank, the submarine, the machine gun, semi-auto rifle, and the sub-machine gun are all still used today.
Explanation:
Answer:
<em>"The doctor will give her a series of tests to see how well she can think"</em>
Explanation:
"Cognitive" relates to cognition, the mental action or process of acquiring knowledge and understanding through thought, experience, and the senses—basically, all the super-important brain stuff.
The first option relating to the eyes would be something more suited towards an ophthalmologist (fancy word for 'eye doctor'). The third matches more towards cardiac and respiratory problems, heart things and lung/breathing stuff respectively. The final tests for your reflexes and muscles.
Using the process of elimination (and some funky words), the awnser becomes clear: the second choice (or "B.") is most likely true.
Hope this helps! Brainliest appreciated.
Gutenberg’s invention flooded Europe with printed material and literacy rates began to rise