Before opening the tank valve on an oxygen cylinder which is connected to an oxy-fuel cutting torch, you should turn the diaphragm screw a. all the way out. b. '/2 of the way out. c. /s of the way out. d. all the way in. a b g区 10. the primary purpose of peening as welding progresses is to a. condition the surface for further welding. b. relieve stresses.

the answer is b ) square root of 5

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).