Any potentially harmful substance that humans add to an ecosystem les
A)
is a pollutant
B)
might cause acid rain,
C)
is always a carcinogen.
D)
is an inorganic substance,

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step-by-step explanation:

the answer is 8.64

step-by-step explanation:

whole number data type

step-by-step explanation:

as whole number type represents whole number

like 1, 2 ,3, 4

in other words the whole numbers are those numbers which cannot be written infraction.

since we can take days as a whole number i.e 1 day 2 day and we cannot write 1.2 day hence we will use whole number data type

i dont know

step-by-step explanation:

the reason i dont know is because i have not taken this class and for that reason i haven't learned this stuff

hope i could