Q$1-$ Explain the tradeoff between process capital cost and energy consumption in process design ancept $?$

Q$2-$ Fill in the blank:

$1-----------$ is the most important factors influencing the selection of the a plant site.

$($ans$.$: Raw materials availability$)$

$2.--------------$ the most disaster potential hazards in process plant.

$($ans$.$: Toxic release$)$