You should clean up after every investigation because if you leave a mess, maybe another detective will come in and get lost because of the mess you left.
I am pretty sure it is 4.002602
Physical Properties<span>: </span>Physical properties<span> can be observed or measured without changing the composition of matter. </span>Physical properties<span> are used to observe and describe matter. so physical changes are the change in temperature of the land and the evaporation of water and change humidity of the air. chemical change is the ripening of the orange</span>