Answer:
c.holding a sign in the air
Explanation:
because b is kinetic energy and a is also kinetic energy
W is the noble gas having atomic number 10 and configuration (2,8)
x, y and z are the s block elements. They have 2,2 and 1 electrons in their outermost shell respectively.
Atomic size decreases across the period and increases down the group. Element z is having more atomic size.
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A constant velocity means the acceleration is zero.
Since tables display only numerical values, it can be difficult to spot trends by looking at a data table. It is easier to identify trends and relationships in the data by using graphs.
