Can someone help I need this question done

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

Construct an explanation about the function of mitosis for multicellular organisms