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Earth has gravity and space does not.
The valency does not (or tends not to) vary going up and down a group. It varies going across a period.
It goes up by one left to right.
in a period size decreases from left to right and hence electrons are more tightly held to the nucleus. so electron gain enthalpy increases across a period . down the period size increases and thus in general electron gain enthalpy decreses .
If you're talking about actual space, as in vacuum, the only temperature is about -273.5 degrees Celsius, as no atoms move in space. On planets and stars, temperature can vary dramatically, from the temperature of vacuum to the core of the hottest star (could be 40 million Celsius).
Biogeography is the study of the distribution of species and ecosystems in geographic space and through (geological) time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, isolation and habitat area.
Einstein - Theory of Relativity
This is the internal circuit that causes the horizontal movement of the electron beam across the screen of the oscilloscope. It can be adjusted to vary the time taken for the beam to move across the screen.
Earth has gravity and space does not.
Individuals vary in languages use, depending on a given time, and a given space.
There are millions upon billions of different ecosystems and there are no names to them. I think you mean biomes. The different biomes are Tundra, Dessert, Forrest, Grassland, Marine, and Freshwater.
How and why does farming vary across the uk
it does
Heights may vary, but you're typically looking at 53 feet of length, 110 inches of height, and 96 inches of floor space across.
Across a period, the metallic character decreases.
The electro-negativity of elements increases as you move across a period.
false