The monomers of DNA and RNA are nucleotides, which are made up of a phosphate group, a five-carbon sugar and a nitrogenous base. In DNA, the nitrogenous bases are adenine, cytosine, guanine and thymine. In RNA, the nitrogenous bases are adenine, guanine, cytosine and uracil
Hello! I’m pretty sure #1 is A, but I’m honestly not sure about the rest. I hope I could at least be some help, good luck!
The RAF had over 50 radar stations across Britain which could find out about future attacks before the German aircraft managed to reach the coasts of Britain. This enabled them to prepare counter-attacks and their defense and ultimately rendered the German airforce completely useless. This is why Germans never managed to conquer the island.
Answer:
Appalachian Mountains
Explanation:
Appalachian Mountains were widely known for their extension between the region of Newfoundland and Labrador in Canada to central Alabama in the United States. They span about 3,200 kilometers, and the study shows they have been existing since more than 400 million years ago, during the period known as Ordovician period.
Hence, based on the information in the question, the right answer is option A. Appalachian Mountains
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