Biology
Which statement best describes Arteries?

They have thick walls and transport blood toward the heart
They have thin walls and transport blood toward the heart
They have thin walls and transport blood away from the heart
They have thick walls and transport blood away from the heart

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Biology
Plants are killed in winter by frost

because respiration ceases at such low temperature
because of desiccation and mechanical damage to the tissues
because no photosynthesis takes place at such low temperature
because there is no transpiration

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