Hi! The correct answer is B. Permian was known as one of the most fatal extinctions on earth due to its association with the loss of practically all marine mammals.
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I believe the correct answer is Tropical cyclones. These are large low-pressure rotating tropical storm that gets its energy from the evaporation of warm ocean water and the release of heat. Tropical cyclone are also referred to as typhoon or hurricane; they are intense circular storms that originates over warm tropical oceans and is characterized by low atmospheric pressure, high winds, and heavy rain.
Answer:
A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure formed by geological processes. A rock is an aggregate of one or more minerals whereas a rock may also include organic remains and mineraloids.
Explanation:
They may want an organism of a certain trait suits a pet or for household security. Therefore will breed the best of these lines for these specific traits. Humans may want a pet to be mild, furry, small, and cute. For security, humans will prefer fierce, big and tenacious traits in an organism.