Mara adds 4 tablespoons of water to the sand,7 tablespoons the gravel and 5 tablespoons the soil calculate the porosity each of Mara samples using the formula the results in the chart

Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction

Why is nh3 classified as a polar molecule

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.