1.fate's decree' means:
1: luckily
2: unfortunately
3: by chance
4: fortunately

2.they were roaming aimlessly
aimlessly is:
1: verb
2: noun
3: pronoun
4: adverb

3.you should abide by the rules
abide is:
1: phrasal verb
2: noun phrase
3: objective phrase
4: adverb phrase

1)Fate's decree means

Ans=》2) Unfortunately [✔✔✔]

2)They were roaming aimlessly

Aimlessly is :

Ans=》4)Adverb [✔✔✔]

3)You should abide by the rules.

Abide is :

Ans=》3)Objective phrase

elon musk, ceo of spacex, a startup space company is planning to head to mars by 2023. nasa is planning to go to mars at around 2025. both are just for a basic colony.