Define international systems of units , where does the system originate , what was it known as originally ? What are the 7 base units used in the metric system ? How has it developed over time?

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Amedication is given at a dosage of 3.000 mg of medication per kg of body weight. if 0.1500 g of medication is given, then what was the patient's weight in pounds (lbs)? there are 453.59g in 1 lb.

Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x