Answer:
The type of wheather and type of terrian.
Explanation:
Physical weathering and this isnt social studies add this to science
One of the real solution for checking pollution level would be by monitoring the usage of automotive vehicle. The Co2 emission from automotive vehicles played a major part in world's pollution because it's not only deteriorate the quality of our breathing air, it also break the ozone layers
Zheng He was an admiral and diplomat who helped extend the maritime and commercial influence of China throughout the regions bordering the Indian Ocean. Hence the two modern-day countries he would have visited are:
<h3>Zheng He's Expedition</h3>
On the account of his fourth voyage, Zheng He left China in 1413. He went westward from India to Hormuz. A detachment of the fleet cruised southward down the coast of Arabia, visiting Dhofar (Oman) and Aden (Yemen).
Therefore, the modern-day countries would be Oman and Yemen
Learn more about Zheng He from here: brainly.com/question/151638
