An experiment into plant growth produced the straight line graph:
Plant mass = 14 x light intensity + 40
Write down:
i The gradient of the line.
(1 mark)
ii The intercept on the y-axis.

answer; i believe that the best answer is (secondary cardiac arrest due to

a compound light microscope is used to magnify objects in steps.  

hope it

during expiration the diaphragm relaxes, which causes the diaphragm to move downwards. the contraction of diaphragm increases the space for expansion of lungs. hence, the diaphragm relaxes and positioned downward during expiration.