Answer:
a.winter
b.spring
C.fall
D.summer
Explanation:
The variation in the Earth Sun distance each year have no effect on the season some other factors like earth tilts,elevation does
Oil still plays an important role in the global economy despite the continued efforts to reduce its use and to find alternative green energy sources. In the early days, finding oil during a drill was considered somewhat of a nuisance as the intended treasures were normally water or salt. It wasn't until 1847 that the first commercial oil well was drilled in the Absheron Peninsula, Azerbaijan.1 The U.S. petroleum industry was born 12 years later, in 1859, with intentional drilling near Titusville, Pennsylvania. (Drilling in the United States began in the early 1800s, but they were drilling for brine so any oil discovery was accidental.)2
Im not sure but there is a city in Bulgaria named “Oven”
1. Transportation
2. Weathering
3. Erosion
4. Ice
5. Erodes
6. Shorter and more rounded
7. Water cycle
8 nitrogen cycle
9. Carbon cycle
