It will determine the volume of an irregular object like a rock.
I think its a chain reaction
ppm is parts per million, and is usually done by weight.
So, 1000g, times (1350/1000000) = 1.350g iron.
Ion channels allow things to cross the membrane
The indirect result of contaminants from commercial farming is algae.
<h3>What is Contaminant?</h3>
Contaminant is a substance either chemical, physical that is very toxic or harmful to living organisms, when it is released into air, water, soil or food.
Contaminant are poisionus substance that are not deliberately or are deliberately introduced to space . This contaminants make things impure and they are highly poisionus.
Therefore, The indirect result of contaminants from commercial farming is algae.
Learn more about contaminant below.
brainly.com/question/465199