Science 7R - HW Qs. Check

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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??????

  • Science 7R - HW Qs. Check -

    d) life

  • Science 7R - HW Qs. Check -

    Nope.

    Please try again.

  • Science 7R - HW Qs. Check -

    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

  • Science 7R - HW Qs. Check -

    Yes. You and Elena are correct.

  • Science 7R - HW Qs. Check -

    It has the prefix bio, it is probably about biological stuff or in other words life.

  • Science 7R - HW Qs. Check -

    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

  • Science 7R - HW Qs. Check -

    umm.... thanks.........

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