Directions: Identify the models in each picture as an element or a compound. and there's more to it just answer the rest pls I need this test done this is my 1 overdue and I'm giving 14 im losiing my points srry this the last:(

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?