Underneath its white fur, a polar bear has black skin. Discuss how these colours affect the overall amount of thermal energy lost by the
polar bear’s body

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2. they have negligible mass.

The geological theory that states that pieces of earth's lithosphere are in constant slow motion is the theory of plate tectonics.

Question 1 answer: make sure you eat healthy foods and excercise atleast once a day.question 2 answer: sometimes bullying . bullying lowers a persons self-esteem sometimes which can make them not care for themselves to much making them feel bad about there body structer. that or they just have a bad body structer and there family/doctor said its unhealthy how they eat.