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matter and energy: mastery test
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select the correct answer.
in the image, balls that look alike represent the same type of atom. based on this information, what do the images below represent?
a. molecules of compounds
b. molecules of elements
c. molecules of mixtures
d. molecules of water
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t launch 49097298ahrochmolymm sschauzwa rizw500wovy 2010
mento deliver a

3points which of these are associated with a sedentary lifestyle? select the two correct answers. a. physical fitness b. lack of energy c. normal bmi o d. increased risk of disease

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

At school, there have been a lot of rumors going around about how certain sexually transmitted diseases are spread. which skill would be most valuable to you take the necessary steps to learn what you need to know to protect yourself? a. self-direction b. critical thinking c. problem solving d. effective communication       select the best answer from the choices provided.