Question: If low iron can cause immunodeficiency, then what can low iron cause? Answer choices: - contamination - Pollution - decrease stamina - harmful substances - immunodeficiency - the ground shaking - cloudy and rainy weather - Temperature changing
Answer: immunodeficiency

Question: If disease has a negtive impact on plants and animals, then disease has a negative impact on? Answer choices: - electronics - fabrics - plants and animals - genetic diversity - dirt - our planet - Abnormal cell growth - genetic material
Answer: plants and animals

Question: If precipitation causes erosion, then what causes erosion? Answer choices: - rainfall - the Moon - precipitation - vehicles - ice wedging - Venus - Mars - mouth of rivers
Answer:
precipitation