Because today we have more means of transportation, communication, and more advanced tech.
The answer is either B or D. Letter A doesn't make sense and letter C isn't right either because you need rainfall to have fertile plains.
Answer:
Explanation:
Địa hình, khí hậu, sông ngòi, sự hình thành các trung tâm công nghiệp lớn, đô thị hóa
<span>Distance covered by Mario in 6 hours is 330 miles.
Then, Average speed of Mario is 330 miles divided by 6 hours = 55 miles per hour
so to drive a total distance of 715 miles, it would take him ( 715 miles divided by 55 miles per hour) hours
i.e., 13 hours
so Mario will have to drive for 7 more hours to complete a total distance of 715 miles.</span>
Answer: Silt, Sand and Gravel
Explanation:
When rock wears out due to process of weathering, it breaks down into pieces or sediments that ranges from microscopic grains to very large grains. Now,
Sediment smaller than 0.0625 mm in diameter cannot be seen unaided and is called Silt
Sediment between 0.0625 and 2 mm in diameter generally is known as Sand which refers to collection of fine, medium, and coarse sand.
Grains larger than 2 mm are called Gravel and range from 2 mm up to 64 mm.
