David.
Hail does form during thunderstorms and when it is below freezing temperatures in the atmosphere. Hail is a super-cooled water vapor and freezes once it comes into contact with the atmosphere.
B. Secondary
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answer:
earth's average temperature would be near 0°F (or -18°C)
explanation:
greenhouse gases in the air, mainly carbon dioxide, methane, and water vapor, trap radiation from the Sun and act as a thermal blanket around the planet. without the greenhouse effect, earth would have an average temperature of -18 °C and be covered in ice. life as we know it would not be able to survive.
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The answer is the letter B. Carbon
