Write a step-by-step protocol, including glassware, pH steps and etc. on how to prepare 100 ml of a 0.01M NaH2PO4 solution pH 6.7 from a 0.06M NaH2PO4 stock solution.

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.