Show the stack with all activation record instances, including static and
dynamic chains, when execution reaches position 1 in the following skeletal
program. Assume Bigsub is at level 1.
procedure Bigsub is
MySum : Float;
procedure A is
X : Integer;
procedure B(Sum : Float) is
Y, Z : Float;
begin -- of B
. . .
C(Z)
. . .
end; -- of B
begin -- of A
. . .
B(X);
. . .
end; -- of A
procedure C(Plums : Float) is
begin -- of C
. . . <1
end; -- of C
L : Float;
begin -- of Bigsub
. . .
A;
. . .
end; -- of Bigsub

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health? a. air quality data gathered by new instruments can be used to reduce exposure to pollutants. b. new technologies enable natural and human-made pollution sources to be located and monitored. c. air quality data gathered by new instruments can be used to predict trends in pollution over time. d. new technologies allow governments to make informed decisions about the regulation of pollution. (choose more than one)

To check spelling errors in a document, the word application uses the to determine appropriate spelling. internet built-in dictionary user-defined words other text in the document

Acompany is inviting design for its new corporate logo from its users. this is an example of ? a. crowdfunding b. crowdvoting c. crowdsourced design d. crowdtracking