Answer:
The atomic model is our understanding of how the atom is structured. At one point in history, people believed that any substance was simply made of that substance and would retain that property no matter how small a quantity it was reduced to. Later, some argued that all matter was made of tiny particles called atoms. While this is correct, later researchers found that even the atoms were made of smaller particles called electron, protons, and neutrons. More recently, scientists have discovered quarks, tiny particles that makeup protons and neutrons.
Answer:
C
Explanation:
2Mg + O2 → 2MgO
got it right on edge 2020
Answer: In the atmosphere, nitrogen exists as a gas (N2), but in the soils it exists as nitrogen oxide, NO, and nitrogen dioxide, NO2, and when used as a fertilizer, can be found in other forms, such as ammonia, NH3, which can be processed even further into a different fertilizer, ammonium nitrate, or NH4NO3.
Explanation:
Climate of Russia
This area of Russia is famous for its extreme climate with very cold winters, but warm to hot summers, although they tend to be short and wet. ... The north and northeastern areas around the Black Sea have milder winters, but frequent rainfall all the year round.
Climate of Finland
July temperatures in Finland average 13 to 17°C. February is usually Finland's coldest month, with temperatures averaging from - 22 to -3°C. In northern Finland, winter temperatures often drop as low as -30°C or even down to -50°C, sometimes with strong, cold easterly or northeasterly winds.
Climate of Minnesota
Minnesota has a continental climate, with hot summers and cold winters. ... Temperatures as low as −60 °F (−51 °C) have occurred during Minnesota winters. Spring is a time of major transition in Minnesota.
