The development that belongs at the end of Cherie's timeline is <span> genetic engineering. This is because all the topics in her timeline involve the study, discovery, and development of the human DNA. The last part should include the scientific breakthrough called genetic engineering which allows us today to modify the genetic makeup of organisms to produce desired results.</span>
Answer:
observation
Explanation:
Observation is different than an experiment, where the scientist changes things. Observation is just observing things as they are with no changes made.
The answer is glucose ( number 4)
La tendencia hacia un equilibrio relativamente estable entre elementos interdependientes, especialmente cuando se mantiene mediante procesos fisiológicos.
if this is wrong sorry i had to use google translate
C- been tested many different times by different scientist