13.How are the LVL beams fastened to the 3 12-inch square posts?

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)