Are self-contained, self-sustained explosions, fires, flames, and fireworks used in live performances, film, and other forms of entertainment.
a. motion capture
c. rotoscoping
b. pyrotechnics
d. compositing

"Pyrotechnics" are self-contained, self-sustained explosions, fires, flames, and fireworks used in live performances, film, and other forms of entertainment.

Pyrotechnics is commonly viewed as the innovation of assembling and utilizing fireworks, however its degree is more extensive and incorporates things for military and mechanical employments. Things, for example, security matches, oxygen candles, unstable screws and latches, and the vehicle safety airbag all fall under the domain of pyrotechnics. Without pyrotechnics, current aeronautics and spaceflight would be impracticable; this is on the grounds that pyrotechnic gadgets join high dependability with exceptionally minimized and proficient energy storage: Essentially in the form chemical energy which is changed over through extending hot gases regularly engendered by a stun wave as in bolt and link cutters.

new communications technology has affected the way social movements are organized because nowadays, social movements rely on social networks and the media to get different people with a similar way of thinking in contact, and thus, get them to mobilize for a greater cause.

individuals only participate in collective action when they feel identified with it. is in this aspect that social media becomes relevant, because it guarantees communication among all individuals and organizes the social actions that are going to be carried out, i.e., the social movements.

in addition, being covered by the media is important to validate the message and make it relevant in the social agenda, as well as to reach more people who can share interests, appealing to public sympathy for their cause.

in conclusion, it is by social networks and social media that social movement is given birth; by connecting different individuals with similar ideas and organizing them to mobilize for a greater cause.

answer; ///(3) three parts;