Scientists classify matter into various groups. Which group is typically described by the characteristics listed below? -Usually solid at room temperature
-Can be bent or changed in shape without breaking
-Shows a shiny luster when scratched or polished

Ase your answer to this question on the information below. hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant. the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen. chemical equation: ch4 + 2o2 → co2 + 2h2o + 1.48 × 10−18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product. nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.

Why is permeable soil best for plants that need a lot of drainage?

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins