Un short anners: How does federal system help in development of a country? Write
a sentence.
development goals on​

the first part is ocean

explanation:

answer; they systematic design, collection, interpretation and reporting of information to marketers solve specific marketing problems or take advantage of market opportunities;

answermeasurements;

i think it's d because a "rythem" is a

1)a particular type of pattern formed by rhythm.

2)a strong, regular, repeated pattern of movement or sound.

3) the systematic arrangement of musical sounds, principally according to duration and periodic stress.

so, d mabye.