Alice thought flying was a good idea
1. Infinitive tense is the verb in the 'to' form, so you got it right there: to climb.
2. Third person singular present tense is the present tense plus the letter 's' at the end because it is in third person.: climbs
3. Past tense is something that happened in the past: climbed
4. Participle is like the -ing form.: climbing
Bulling and racism I would go out and gather black people and people who are bullied and do a speech sayin to stop being rude! This is worded oddly but
Answer:
Gases produced by algae will be cheaper to produce than other gases