We can conclude that the step Maria should actually take is to: D. know the purpose of the DTP product.
Diphteria and Tetanus Toxoids / Acellular Pertussis Vaccine (DTP) is a hybrid vaccine consisting of Diphteria, Tetanus Toxoids and Pertussis vaccines. DTP may be used alone or with other medicines. DTP belongs to a class of medications called Vaccines, Combos.
<h3>What is a DTP system?</h3>
Desktop publishing (DTP) is the use of individual computers to design books and pamphlets that are intended to be printed by ink jet or laser printers. The software that helps desktop publishing has a WYSIWYG graphical user interface (GUI) to make the set-up for printing as easy as possible.
To learn more about DTP product, refer
brainly.com/question/13701780
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complete answer shown below,
A. use emphasis and proximity
B. organize information
C. ensure balance and alignment
D. know the purpose of the DTP product