Some one plz help me on this

What is the difference between how ionic and covalent bonds form

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

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