Answer:
Common sources of error include instrumental, environmental, procedural, and human. All of these errors can be either random or systematic depending on how they affect the results. Instrumental error happens when the instruments being used are inaccurate, such as a balance that does not work (SF Fig
Explanation:
Organisms breathe oxygen and drink water. Water and oxygen are nonliving things. ☺♥
ANSWER : have a specific shape related to their specific function
B. the bond forms when electrons are shared
