2 years ago

Which are significant practical uses of the Paraná River?

1 answer:

4 0

I believe it is B,CA. If not, choose something you are 100 percent sure of

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postnew [5]

Answer:

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Ways for pollution free environment are :-

Follow the 3 Rs ⇻ Reduce, Reuse & Recycle.
Reduce the consumption of plastic products (use glass bottles, paper bags etc.)
Reuse old & worn out things instead of throwing them away.
Recycle your paper & plastic products.
Use public transport, cycles or just walk ➟ this will reduce smoke & hence will reduce air pollution.
Turn off the lights & fans when not in use ⎆ for less consumption of energy.

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

# ꧁❣ RainbowSalt2²2² ࿐

4 0

3 years ago

kherson [118]

doubling the radius will have a greater effect

v of cylinder=pi x square of radius x hieght

lets take an example,r=2,h=2

v=8pi

doubling the hieght,h=4