Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.
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Ricky is interested in the health and safety or animals and humans. she wants to pursue a career that allows her to monitor diseases in both animals and human populations. which career should ricky pursue?

When is it most common for humans begin to develop a sense of self worth? a. adolescence b. early childhood c. infancy d. late childhood

Ms green is at checkout window of your busy orthopedic office . her charges for today are $125.00. her group insurance pays 75% of all usual and customary charges and she has a $50.00 co-pay. she has not met her deductible for the plan year. what does she owe for today’s visit?