Question: Harming an animal species causes that animal 's population to decrease, and if mortality is greater, then the population decreases. Given these facts, what can cause a population decline among the following options: - wind  - magma  - bacteria  - influenza  - mortality  - a pathogens  - reproduction  - parasites
Answer: mortality

Question: Water vapor condensing in clouds causes rain, and rain is liquid precipitation. Given these facts, what does water vapor condensing in clouds cause among the following options: - liquid precipitation  - Greenhouse gases  - Exfoliation  - Heat energy  - oxygen  - kinetic energy  - atmosphere  - evaporation
Answer: liquid precipitation

Question: Minerals are chemical elements that are essential for body processes, and iron deficiency Anemia is associated with low levels of the mineral iron in the body. Given these facts, what is a chemical element that is essential for body processes among the following options: - potash  - atoms  - arsenic  - copper  - H 2 O  - sodium  - dihydrogen monoxide  - iron
Answer:
iron