Answer:
Erosion can cause water in the rivers to become heavily polluted. The water might carry pesticides, heavy metal ions and other toxic wastes. When this water will be used for irrigation purposes, the growth of plants will be heavily affected by them.
When humans use water this contaminated water from the rivers, it will led to many diseases in humans. Also, the wild- life animals which depend on this river might take in toxic compounds due to which they might die.
I think this would be the Great Wall of China!
although it's actually thought to be much, much longer: over 5000 miles long, if yoiu include natural defensive barriers used in it.
I think it’s Syria since other countries had no wars at the time
The North Star appeared to move higher in the sky.
Answer: Option 3
<u>Explanation:</u>
North star is a special star found in the sky which is said to be fixed in the sky and does not move from it's place and the reason for this is that this star is very near to the axis of the planet Earth and is the only star that does not change it's position in relation to the rotation of earth. So since Albany is to the north of the New York city, the star will appear to move higher towards the north in the sky.
Death Valley is located in A. California
