QUESTION 3 OF 10 How is soil different from sedimentary rock?
Soil has been compressed and cemented. Soil can be made out of silt, sand and clay.
Soil is made from weathered rocks. Soil is a mixture of rock particles of different sizes.

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg