Solid particles or liquid drops in gas, called , can stay in the upper atmosphere for months or years, reflecting away some incoming solar radiation.

volts times amps 6 x 0.5 3w

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

root word, prefixes, and suffixes