Answer the following questions using only the elements in the diagram. Each element may be used once, more than once or not at all. (a) Which element
(i) reacts with water to form a solution which turns litmus paper from red to blue, ... [1]
b) Write an equation for the reaction of the element in (a)(i) with water.
c) Describe your observation for the above reaction​

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

Compare and contrast physical changes with chemical changes.

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a