You are presented with the question "What enters the atmosphere when coal, oil, and natural gas is burned?" and the following answer choices: - Heat - toxins - Cars - Gas - h2o - tar - Carbon - energy Now knowing that burning fossil fuels increases the carbon in the atmosphere and carbon dioxide is produced by the burning of fossil fuels such as coal, oil and natural gas, choose the best answer.
Carbon
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You are presented with the question "What can overexposure to vibrating matter cause?" and the following answer choices: - symptoms - hypothyroidism - Pollution - hyperthyroidism - Damaged hearing - Electrical energy - Relieve pain - decrease stamina Now knowing that matter vibrating can cause sound and overexposure to sound can damage hearing, choose the best answer.
Damaged hearing
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You are presented with the question "what produces variation?" and the following answer choices: - animals - evolution - pollen - environment - a doorbell - movement - seasons - competition Now knowing that evolution occurs by a process called natural selection and evolution is a sequence of variation and selection, choose the best answer.
evolution
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You are presented with the question "Animals will require moving habitats if what happens to the animal in a location?" and the following answer choices: - threatened - uncontrolled - humans disturb it - rain touches it - prey feeds it - animals find it - enormous damage to homes - cause their death Now knowing that if humans disturb animals in a location then those animals will move to a different location and different kinds of animals have different habitat requirements, choose the best answer.
humans disturb it
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