There are tons of antonyms for credible out there, but really good ones include deceptive, dishonest, undependable, unreasonable, etc...
Hope this helped!!!!!
The first one, Battle of Tannenburg
B - rading about the remains of an ancient statue.
While both A and C are very romantic, both would take ages for a professional working archaeologist to dig up anything useful in a reasonable amount of time. The most effective thing that he can do is read primary sources and based on those decide where a temple stood.
The correct option is D.
The development of agriculture opened the way of civilization for native Americans in Mexico and South America. The cultivation of maize in large quantity especially brought about trading with neighboring cities and towns and open up irrigation system and increased the population density of Mexico and South America.
I think it’s because your immune system isn’t as strong as it was when you were a child
