What human process are carbon sources that are upsetting the balance between co to update via planets and co2 released by living things?

The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.

Which notation is used to represent an alpha particle? a. b. c. d.

Which of the following statements correctly describes a transformer?