I think that the statement is true
Explanation:
H2O is water and compound is an opposite of elements
A tool mark in a door frame contains small particles; The best way to collect them while leaving them in context is by making a cast. A tool mark is any impression, scratch, or abrasion made when contact occurs between a tool and an object. Abrasion marks are the tool marks made when surfaces slide across one another; objects such as pliers, knives, axes, or a gun barrel make this type of mark. There are three types of tool mark impressions; namely; indentation, abrasion, and cutting marks.
It would decrease letter b is the awnser
