As far as I am concerned, type of crime scene sketch which is best used for evidence located on the floor, walls and ceilings is veing revealed by thelast option : D) perspective sketch, this one is usually uncludes all the points that you need in the task given above. Hope it will help!
an element is a substance which cannot be spilt upto two or more simple substances.For eg gold,silver
a compound is the substance produced by the union of two or more elements in a definite proportion by weight .For eg water,carbon dioxide
I dont know
A mixture is a substance formed by mixing two or more elements are compounds in any proportion by mass .Its types are:Hetregeneous mixture and homogeneous mixture.
the difference between mixture and compound is that a mixture is a substance formed by mixing two or more elements are compounds in any proportion by maths and compound is a substance produced by the union of two or more elements in a definite proportion by weight.
chemical equation is defined as the symbolic representation of a chemical reaction
The answer is -33.6 degree Celsius... or approximately-34 degree Celsius. Firstly, you will change the L to mL so 2.10L to mL is 2100ML.. so if 750ML=-12 degree Celsius then 2100ML is what?? So.. if more less divide.. so 2100ML/750ML *-12 =-33.6 degree Celsius.. approximately -34 degree Celsius. I hope it helped??