Answer:
The treadmill has quite a few parts and requires the most maintenance. The maintenance steps include cleaning the deck/motor cover, testing the stop button, vacuuming, checking lubrication, testing the belt tension, and tightening all nuts and bolts.
Deoxynucleic acid, or DNA is the blueprint of the cell. it has instructions that are needed for the organism to grow, develop, survive and reproduce.
Answer:
<u>A common element among all the river valley civilizations was irrigation systems that moved water to crops and settlements</u>
Explanation:
- <u>River Valley civilizations where the civilizations that were found on the banks of the river like the Mesopotamia ,Indus valley civilization.</u>
- <u>These civilization where agriculture based civilization as they depended on river for drinking water and irrigational activities</u>
The answer is rock and mineral particles bcoz it is only option which is not living thing from start
Answer: carbon dioxide and water.
Explanation:
aerobic respiration makes two waste products:carbon dioxide and water.
