(Q).
You are presented with the question "What cause pollution to disperse?" and the following answer choices: - low pressure systems - fissures of hot, acidic water - zero pressure systems - fossil fuels - harmful substances - no pressure systems - high pressure systems - Greenhouse gases Now knowing that high pressure systems cause clear weather and during windy weather, the pollution is dispersed and cleared away, choose the best answer.
(A).
high pressure systems

(Q).
You are presented with the question "Better senses can have a positive impact on the survival of what?" and the following answer choices: - bears - bacteria - pigeons - humans - tigers - rocks - Mammal - hats Now knowing that better senses have a positive impact on an animal 's survival and bears are curious animals, choose the best answer.
(A).
bears

(Q).
You are presented with the question "Humans can use fungus for " and the following answer choices: - health - shelter - edible - clothing - food - medicine - growth - life Now knowing that humans have collected and grown mushrooms for food for thousands of years and mushrooms are a fungus and have no chlorophyll, choose the best answer.
(A).
food