When a plant grows , the size of the leaves of that plant may increase, and all oaks are plants. Given these facts, what can happen to an oak's leaves when the oak grows among the following options: - they increase in size - Localized damage - Earth revolving around the sun - they decrease in size - Exfoliation - The bending of a ray of light - they catch fire - they float into space
they increase in size

Operating an automobile usually requires fossil fuels, and global warming is caused largely by fossil fuel use. Given these facts, what contributes to global warming among the following options: - using wind farms - recycling - burning coal - Greenhouse gases - operating an automobile - chlorofluorocarbons - Greenhouse gasses - nuclear energy
operating an automobile

Earthworm burrows help aerate soil, which is also good for plants, and earthworms and other soil organisms keep the soil healthy. Given these facts, what do organisms aerate among the following options: - magma - moles. - roots - Carbon - volcanoes - cell walls - soil - Crops
soil