On ground weight of plane will be measured as its actual weight which will be given as

now when plane is in air its weight is measured as combined effect of earth gravitational force and buoyancy force both
so weight in air will be given as

here since net effect due to air is opposite to the direction of weight so in air the plane weight will be measure less than its weight on ground.
so answer will be
A)more than a plane in the air
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Answer:
D
Explanation:
<u>The correct answer would be option D.</u>
Gallium (Ga) , germanium (Ge) , selenium (Se)
, and arsenic (AS) all belong to the same group of elements referred to as the transition elements. The transition elements have partially-filled d orbital, a feature that confers some characteristic properties on the elements or their ions. These properties include:
- <em> variable oxidation state of </em>
- <em>formation of colored ions and compounds</em>
- <em>catalytic property</em>
- <em>paramagnetic compounds</em>
- <em>etc.</em>
Hello,
The question states: <span>The Robinson projection map is considered very useful because...
The answer is

Hope this helped!
~FoodJunky
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