A survey is targeted at 12-year-old children. Which questions are appropriate for the population? Select two options.

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

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Explain why biological control methods are generally environmentally superior to chemical pest control methods.