A volcano is a conical hill or mountain that ejects hot ash and lava in an eruption. In addition to hot ash a lava volcanoes erupt many gases. The most common gases erupted by a volcano are carbon dioxide, sulfur oxides and water vapor. Carbon dioxide is common in volcanic eruptions as it is formed mainly when subducting plates laden with the calcium carbonate skeletons of tiny marine organisms. Once the plate melts the carbon dioxide is incorporated into magma.
The requirements for sexual reproduction, is that the species has both a Male and Female gender if they are both this also still applies as long as they don't breed with themselves.Sexual reproduction helps prevent disfigurements, that can end up killing an entire generation of animals and also can lead to a species adapting to environments faster.
I would go with A : weathering and erosion
I was going to say C : volcanoes and earthquakes but when you read the pictures it says “ Mountains , low hills & rolling plains “
Of the two pink monkeys in the world – one male, one female – the female dies, ensuring that there will never be a pure-bred pink monkey again.
A random succession of births results in all other hair colors going extinct within a village full of redheaded people.<span>
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