Radon and Thoron are the most significant sources of radiation exposure to people living in the United States accounting for 37% of total radiation exposure.
These are nuclides that are produced from the radioactive decay of materials especially in consumer products and through natural processes such as the decay of radium.
Answer:
Earth is the only planet with liquid water readily avaible to and able to support living organisms.
Explanation:
Answer:
Viroids are single-stranded RNA particles
Explanation:
Viroids are acellular particles of small circular single-stranded RNA, doesn't have its genomic material in a capsule. This RNA don’t codify proteins, they only replicate autonomously. Viroids can’t reproduce of their own, they must need host cells for its reproduction. Most of them are infectious particles causing damage to cultivated plants making an important impact on agriculture.