(c) but I’m not sure don’t trust me
The correct option is D.
The Mexico city was built on the ruins of an old lake. The lake was drained in order to provide the needed land for the city and water has to be regularly pump out of the underground aquifers in order to prevent flooding and also to provide drinking water for the city. This affected the supporting soil structure and result in the sinking of the city. The city has sunk by about 30 feet in the last 100 years and this has caused a lot of damages which are quite expensive to repair.
Answer:
decreased heart rate
Explanation:
In a setting where the person is comfortable and the animal with him shows affection towards him, the person shows positive effects in themselves. The heart rate of the person slows down to a relaxed state. The production of fewer stress hormones decreases. There emerges a growth in the brain chemicals which makes the person happier. This is the result of the emotional bonds which the individuals experience when they are with the animals.
The US Army Corps of Engineers, they became responsible for protecting US waters with the Rivers and Harbors Act of 1899.
