Open up your database administraton GUI, and use the appropriate SQL Query Tool to write the SQL CREATE statement for your BOOK_TAGS table. You can either write the script manually and execute it through pgAdmin or you can create the table by using pgAdmin's wizard. Afterwards, insert one row of dummy data that adds a tag to the sample book in the BOOKS table.

Both shades should be exactly the same

Hypothesis: volumes of both figures are equal.the volume of  figure 1 is: .the volume of figure 2 is: .since , you can conclude that and . so, .volumes of figures are equal only when an angle in the basis is right (then figures will be the same), in another cases volume of figure 1 is less than volume of figure 2.the hypothesis was not correct in all cases.

Answer nursing

Lymphocytes must recognize antigen and respond to another signal generated by microbial infection to become activated.