Science and technology could help cure diseases, they also could help created new cures for other things. Technology could be added into science because when they are making prosthetic recourse using those two resources.
The correct answer that would answer the given question above would be EXPERIMENTATION. The scientific method uses observation to gather information, and to answer the questions based on the information gathered, this would involve experimentation. This is the testing of the information so that it would given a clear evidence on the answer. Hope this answer helps.
Answer:
initially by meiosis, then by mitosis( last choice)
Food takes about 6 to 8 hours to completely pass through the digestive tract.
Oxygen is the answer for this question.