Answer:
I did not what is it about?
Answer:
1) 75Mpa
2) 1.125 MPa
Explanation:
given data:
gauge length = 4 mm
displacement 
a) structural steel
Young modulus for steel is 
we know that


= 75Mpa
b) PMMA
Young's modulus 

stress = 1.125 MPa
Answer: c) they have low genetic variability among them.
When a plant is grown for several generations of offspring of a plant, then there are some common things which are to be noted which are found similar in the offspring and in the parent of the offspring. The flowers and fruits and the time or season they come in are absolutely the same.
Is this a spiritual type thing or?
The answer would be 5 years