Please help me make a lesson plan. the topic is Zigzag line. and heres the format. A. Objective
B. Subject matter
C. Learning activities.
D. Assessment.
E. Reinforcement

Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.

Fluids at rest possess no flow energy. a)- true b)- false

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.