Choose the  best  definition for the following term: variable (1 point)a letter that holds the place for some unknown value in mathematicsa process where you must look for terms that have identical variable parts and then combine their coefficientsa process where if two things are equal, one can be put in the place of the other and nothing will changeterms that have identical variable parts

Which of the activities listed below could limit global warming by slowing the increase in atmospheric carbon dioxide levels? view available hint(s) select all that apply. a. replacing fossil fuels with nuclear energy b. burning vegetation to clear land for agriculture c. limiting soil erosion so organic matter takes longer to decompose d. choosing a fuel-efficient car, or bicycling to school or work e. using more electrical appliances and cars f. cutting down forests to build houses

The declining axolotl population in mexico city is an example of in overcrowded cities. a. the surpassing of support capacity b. changes to natural environments and native species c. the lack of safe homes and tenured spaces d. the effects of a growing urban heat island

Mexico is the largest blank country in the world. a) oil producing b) spanish speaking c) computer programming d) ice fishing