The correct option is this: HAS THE CLAIM BEEN TESTED NUMEROUS TIMES BY MORE THAN ONE SCIENTISTS.
For a claim to be accepted has been valid in the science world, it must have been tested several times by many scientists who obtain the same results. Having a uniform result about a phenomenon is usually considered an important factor when examining the validity of a claim.
The answer is Llanos. Llanos or in Spanish it is called plains. These are wide grasslands stretching across northern South America and inhabiting western Venezuela and northeastern Colombia. The Llanos have a region of approximately 220,000 square miles, surrounded by the Andes Mountains to the north and west, the Guaviare River and the lower Orinoco River and the Guiana Highlands to the east, and the Amazon River basin to the south.
Bacteria does not contain membrane boung organelles therefore are prokaryotic and I also know they are unicellular. and they are definitely not multicellular so the answer is : c