What type of an industry is (i) chemical industry
(ii) cement industry
(iii) fertilizing industry
please help
thank youu!

Why are low-lying lands more suitable for agriculture than hilly areas?

Which statement defines personality

The procedures for reporting potential unanticipated problems involving risk to subjects or others to the irb are: stated in the human subject protection regulations, but not in the drug or device regulationsincluded in the consent processdetermined by research staffdetermined by the institution in its written policies and procedures