Select the phrase/connector from the given three options which can be used to form a single sentence from the two sentences given below, implying the same as expressed in the statement sentence.
Researchers have determined that there are fewer than 100 Arabian leopards left in the wild. They blame poaching and increased cultivation in their native habitats,
1) as a result of
2) due to
3) because of
1
Both 1 and 2
2
Both 2 and 3
3
Both 1 and 3
4
Only 1
5
Only 3