An engineer chooses to use a natural adhesive for a building project instead of a heavy-duty chemical glue that releases harmful fumes. this is an example of a. efficiency in construction
b. cost-saving construction
c. resource shortages
d. green design
is somebody out there that can

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

is there any options? maybe im just not seeing them but i need the options to

-love shrooms