Carbon-12 has 6 neutrons and 6 protons, making it 12.
Carbon-14 has 8 neutrons and 6 protons, making it 14.
It is used to date the age of things that are very old using radioactive isotopes.
Thunderstorms
Layers of warm, moist air rise in a strong updraft to cooler areas of the atmosphere, whereupon thunderstorms form. At that location, the updraft's moisture condenses to create imposing cumulonimbus clouds and, eventually, precipitation.
Thunderstorm development requires three basic components: moisture, an unstable atmosphere, and a method to get the atmosphere moving. To create thunderstorm clouds and precipitation, moisture is required.
The warm air cools and condenses as it ascends, generating tiny water droplets. When there is sufficient instability in the atmosphere, warm air rises swiftly, and the water vapor condenses quickly to form cumulonimbus clouds. Usually, it takes less than an hour for these cumulonimbus clouds to form.
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Answer:
Concentration gradient.
Explanation:
Diffusion may be defined as the process of the movement of solute particles down the concentration gradient. This process does not require the expenditure of energy.
The main driving force in diffusion is the concentration gradient. The molecules generally move from its region of the higher concentration towards the region its lower concentration.
Thus, the correct answer is option (3).
10 km = 10 × 1000 m = 10 000 m
10 000 m = 10 000 × 1000 mm = 10 000 000 mm
