I think that the answer is B.
Hope it helps
Answer:
Greenhouse effect
Explanation:
Greenhouse effect is the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
Igneous rock derives it's name from the Latin word ignis which means fire. It is formed when the magma after volcanic eruption gets cool and solidified either on the surface of earth crust or inside the earth crust. These rocks are characterized by their hardness. These rocks undergoes no chemical weathering but exhibit very low mechanical or physical weathering may occur. Therefore, hardness is the property which can be used to identify the origin of an igneous rock.
Answer:
It changes the angle.
Explanation:
Seasonality affects the angle of the sun above the horizon by making it higher in the summer and lower in the winter.
The tilt of the Earth is responsible for the seasons and for the angle at which the solar rays make contact with any given point on the globe during a certain season.
In summer, the Sun is closer to the overhead position, while in winter the Sun is lower on the horizon.
Barley. Grains remain an important part of the Russian economy.
