Plzz solve step by step explanation​

there is a sequence and logical steps to give an answer of a trouble.

1) strategy is necessary to develop an project idea.

2) to study and know the environment where you are going to work ( ecosystem).

3)   the materials resources to built the ideas.

4) to give a priority order in the context that you study. in this case human needs.

because he was killed by the black arrow.

im sure you mean write *

i dont know if your mis-read or whatever but that says 30 points also. its not so very surprising knowing that the words he spoke was english, the aspect of his "language" i'd say is pretty rare and is very unique to pronounce.