cause its more easier to count how many animals or organisms live in a particular area
Tweezers.
Control Charts
process mapping
Your teaching is nothing
graph
when is the estimation of product is a useful tool
A useful tool would be a spatula.
probably not, but maybe its a useful tool probably not, but maybe its a useful tool
grass hook is useful to the gardener and useful tool
The most useful tool would have to be diamond pickaxe.
The axe.
because it is
Money is a convenient tool for exchange, making it useful to people.
The eraser, the marker/pen, the Marquee Tool, and the Type Tool.
yes
bow and arrow
microscope.