Answer:
Students have investigated what's going on in the fictional town of Westfield, they learned that the mysterious reddish-brown substance in the water is actually rust, which formed because of a chemical reaction between the iron pipes and the fertilizer substance in the water. It forms when iron and oxygen react in water or in moisture in the air. The reaction of iron and chloride underwater is also referred to as rust. Certain factors speed up the rusting process, such as salt in the water.
Explanation:
The correct answer is letter D.
Explanation: The Yellow River, also known as Huang He or Hwung-Her, is considered China's lifeline. It flows for 3,395 kilometers from its source in the Bayan Har Mountains located in Western China.
Chinese civilization had its origins in the Yellow River valley, practiced agriculture and raised cattle.
Answer: True
Explanation: Columbus had actually attempted to travel a circumnavigation around the world.
Answer:
all the above
Explanation:
all all the above because sunlight disease in access to water all affect a plant's growth
