Asked by Laruen

1. The biosphere includes all the air, land, and water where ____ exist

a) soil
b) coral
c) an abiotic facter
d) life

My Answer - a (or b....)

am i correct??????
Answered by Elena
d) life
Answered by Ms. Sue
Nope.

Please try again.

Answered by Laruen
well it can't be a or b
then i know it's not c

so im assuming the answer is d which make A LOT sense

thanks
Answered by Ms. Sue
Yes. You and Elena are correct.

Answered by Damon
It has the prefix bio, it is probably about biological stuff or in other words life.
Answered by Damon
James,
Please post your own question separately. Otherwise Elena or I may not see it because were assume this is about biology and we have already answered.
Anyway
mass = density * volume
look up density of iron (about 8 grams /cm^3)

mass = about 8 * 247 * pi * 2.6^2/4
in grams. Divide by 1000 to get kg
Answered by Laruen
umm.... thanks.........
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