I think the last one lowkey
L-dopa is effective against Parkinson's, but its enantiomer D-dopa is not. An enantiomers drug may not be equally effective. The enantiomer, in chemistry, is one of two stereoisomers that are mirror images of each other that are non-superposable, much as one's left and right hands are the same except for being reversed along one axis. It is also known as an optical isomer.
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Explanation:
we should make change currency and have a jobb offering for everyone so no one is jobless.
<span>Prior to the standard gauge track, railroad travel was much more arduous and painstaking. There were originally several types of gauges used on a railway track. This caused long train trips to require multiple stops in order to change train cars. With the standard gauge track on trains in the 1800s, multiple changes were no longer necessary and so the trips were shorter.</span>
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Explanation: The claim the Christopher Columbus discovered America is not true. Below are some claims that proves this discovery as untrue.
1. Christopher Columbus made four separate trips that started with the one in 1492. Columbus landed on various Caribbean islands that are now the Bahamas as well as the island later called Hispaniola. He also explored the Central and South American coasts. But he didn’t reach North America which of course was already inhabited by Native Americans and he never thought he had found a new continent.
2. Christopher Columbus introduced the Americas to Western Europe during his four voyages to the region between 1492 and 1502. He paved the way for the massive influx of western Europeans that ultimately form several new nations including the United States, Canada and Mexico. But he never discovered America because there were plenty of people already there when he arrived.
