Crowded between the collagen fibers are rows of fibroblasts, fiber-forming cells, that generate the fibers. Dense connective tissue<span> forms strong, rope-like structures such as tendons and ligaments.</span>
The standard international unit or radioactivity is called a becquerel (abbreviated Bq), which is equal to one disintegration per second (DPS). Radioactivity is also measured in<span> </span>curies<span>, a historical unit based on the number of disintegration per second in one gram of radium-226 (37 billion).
My source: google
hope this helped! :)</span>
Using the plate tectonics theory geologists can sometimes predict when a earthquake might happen. Hope this helps you.