Answer:
He shows the reader the consquemces and what will happen if we sont prevent it.
Do you have a picture of the question, or do you have anymore information to answer this? such as what type of graph they’re talking about, and what data.
I think the answer may be water pollution.
water pollution > Water pollution<span> is the contamination of </span>water<span> bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when </span>pollutants<span> are directly or indirectly discharged into </span>water<span> bodies without adequate treatment to remove harmful compounds.
source: Wikipedia </span>
It means they kind of touch the ground a bit. Hope this helps!
