During meiosis in humans, the parent cell starts off as with 46 chromosomes (23homologous pairs), and then after Meiosis I two haploid cells with 23 chromosomes are formed. AfterMeiosis II, four cells are formed with a unique mix of 23 chromosomes in each. HELP PLEASE HURRY ILL GIVE BRAINLESt

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so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

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tobey

it's d - life cycles - apex

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water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.