Combustion occurs when . oxidation reactions are so fast the substance catches fire
oxidation reactions are very slow
machines use chemical energy to do work
oxygen is removed from another substance

Each names a given number of objects

Answers are 1,2,4 its correct on edgenuity.

Those are different gas lawshere is a brief description of themcharles's law states that volume and temperature are directly proportional to each other as long as pressure is held constant.  boyle's law asserts that pressure and volume are inversely proportional to each other at fixed temperature.gay-lussac's law introduces a direct proportionality between temperature and pressure as long as it is at a constant volume.    source: