Chemistry

posted by .

The average density of living matter on Earth's land areas is 0.10g/cm squared. What mass of living matter in kilograms would occupy an area of 0.125 ha? I think I can answer this if i knew what ha was. Any help would be appreciated.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. matter

    What are the three properties of matter and how is matter measured?
  2. chemistry

    what are 4 elements that make up bulk of living matter?
  3. Chemistry

    The mass of the earth is known to be about 5.98 X10^24kg assume that it is approx. spherical with an average diameter of 1.276X10^7 METERS. from these data calculate the average density of the earth(g/cm^3) could the earth be made …
  4. 11th grade Biology

    Match the following.. 12. Moves in cycles from nonliving things to living things back to nonliving, etc. 13. Can be passed from one organism to another in a food chain. 14. Is constantly being lost from the biosphere. 15. Can be created …
  5. earth science

    If all matter is made up of the same atoms from the periodic table, is there a big difference between living organisms and non living objects?
  6. science

    soil_________ a) is completely composed of living matter b) characteristics determine what plants can grow in it c) can be formed quickly d) is acidic if it contains a great deal of moss e) contains only inorganic matter b
  7. Astronomy

    Basically the ``Bohr radius'' for the dark matter is rB=ℏ^2 / GN M m^2 where m is the dark matter mass, M is the total amount of dark matter mass contained inside the ``gravitational atom'', and ℏ and GN are constants as …
  8. maths

    The total population of the earth was estimated to be 6.42 billion people.Given that the total land surface area of the earth is about 1.5×10^8km^2.Find the average number of people living in 1 km^2 of land on earth,correct to 2 significant …
  9. Science

    Check my answers please? Imagine that you remove all the atoms from a chair. What remains?
  10. Science

    If ethics is an art of living, what is its subject matter, that is, what is it about ourselves that it is in relation to, and what does this have to do with living intelligently?

More Similar Questions