How many milligrams are in 2.5 kg? a. 2.5 X 106 mg
b. 25 mg
c. 2.5 x 10-4 mg
d. 2.5 X 102 mg

Its strengthits conductivity of heat and electricity its shiny colourmalleable and ductility

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: