Q: How many miles is the distance between the earth and sun? Read this paragraph and choose the correct option from the provided answers: The distance between the Earth and the Sun is about 93 million miles, or 150 million kilometers. Earth revolves around the Sun at an average speed of about 27 kilometers (17 miles) per second. Mercury and Venus are closer to the Sun, so they take shorter times to make one orbit. Mercury takes only about 88 Earth days to make one trip around the Sun. All of the other planets take longer amounts of time. The exact amount depends on the planet's distance from the Sun. Saturn takes more than 29 Earth years to make one revolution around the Sun. How old would you be if you were on Jupiter?. Choices: - 91 - 82 - 78 - 93 A:
93
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Q: When a fluorine atom gains an electron, it becomes a negative what? Read this paragraph and choose the correct option from the provided answers: When a fluorine atom gains an electron, it becomes a negative fluoride ion. Choices: - hydrogen ion - sulfide ion - potassium ion - fluoride ion A:
fluoride ion
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Q: What is the suns innermost layer called? Read this paragraph and choose the correct option from the provided answers: The core is the Sun's innermost layer. The core is plasma. It has a temperature of around 15 million degrees Celsius (C). Nuclear fusion reactions create the immense temperature. In these reactions, hydrogen atoms fuse to form helium. This releases vast amounts of energy. The energy moves towards the outer layers of the Sun. Energy from the Sun's core powers most of the solar system. Choices: - surface - solar - flare - core A:
core
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Q: What are plants that grow where people don't want them to and can take up space and use resources which hinders growth of more desirable plants? Read this paragraph and choose the correct option from the provided answers: We obviously can't live without plants, but sometimes they cause us problems. Many plants are weeds. Weeds are plants that grow where people don't want them, such as gardens and lawns. They take up space and use resources, hindering the growth of more desirable plants. People often introduce plants to new habitats where they lack natural predators and parasites. The introduced plants may spread rapidly and drive out native plants. Many plants produce pollen, which can cause allergies. Plants may also produce toxins that harm human health (see Figure below ). Choices: - native plants - shrubs - grasses - weeds A:
weeds
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