Final answer:
The future tense in Spanish requires specific conjugations, such as 'diremos' for the irregular verb 'decir.'
Explanation:
Joel y yo diremos un reporte sobre el peligro del plástico en los arrecifes.
When forming the future tense with irregular verbs in Spanish, you need to learn the specific conjugations. In this case, 'Joel y yo diremos' is the correct option as it uses the irregular verb 'decir' in the future tense.
Remember that the future tense in Spanish is formed by adding the auxiliary verb 'will' ('will' translates to 'will' in Spanish) to the simple present form of the verb.
Learn more about Spanish Verb Conjugation
