Which of the following best describes the features of an open system? an open system exchanges nothing with other systems. an open system exchanges only matter with another system. an open system exchanges only energy with another system. an open system exchanges matter and/or energy with another system.

Acar traveld with an average speed of 60 miles per hour for 2 hours. how far did it travel

Which flexible structure that supports the nerve cord and led to the backbone

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.