Question
Humus and the smallest particles of rock form in which
horizonSolution
Humus and the smallest particles of rock from the upper layer of soil called topsoil or A-horizon. ·        It is the layer containing the most nutrients for plants. ·        The roots of most plants are confined to this layer. ·        Humus makes this layer porous and fertile.
Find the wrong number in the given number series.
1900, 1171, 669, 316, 100, - 25
Find the wrong number in the given number series.
10, 17, 26, 39, 59, 85
112, 125, 99, 138, 86, 153
Find the wrong number in the given number series.
60, 120, 90, 180, 145, 270
- Find the wrong number in the given number series.
124, 130, 142, 160, 186, 214 1, 18, 44, 81, 131, 198
Find the wrong number in the given number series.
84, 120, 183, 246, 336, 444
- Find the wrong number in the given number series.
10, 18, 32, 52, 78, 110 Find the wrong number in the given number series.
20, 120, 600, 2400, 7000, 14400
- In the given number series, find the wrong number.
4, 9, 19, 39, 79, 159, 319
