<span>The asthenosphere is a part of the upper mantle just below
the </span>lithosphere<span> <span>that is involved in </span></span>plate tectonic
movement<span> <span>and </span></span>isostatic<span> <span>adjustments. The
lithosphere-asthenosphere boundary is conventionally taken at the 1300 °C </span></span>isotherm<span>, above which the mantle behaves in a rigid fashion and below
which it behaves in a </span>ductile<span> fashion. a</span><span>nd </span>flows very slowly, in a manner<span> similar
to the ice at a bottom of a glacier.</span>
Answer: False
Explanation:
The given statement is false, as it is not compulsory that the default case is require in switch selection statement. If the default case are not properly specified in the statement then, there will be no execution occur in the switch selection statement.
It is sometimes good to have default case in switch selection statement, but it is not mandatory. The default case only executed when the correct case is present and none of the case matches in the given statement.
A digital pen is a battery-operated writing instrument that allows the user to digitally capture a handwritten note or drawing. Typically, a digital pen comes with a Universal Serial Bus (USB) cradle to let the user upload the handwritten notes to a personal computer (PC).
Sometimes called a smart pen or stylus.