In the 20th century, what happened to the religious make-up of Europe? * 1. Islam became the majority religion in Europe
2. The percentage of Christians dropped from 95% to 70%
3. Judaism was completely removed from Europe
4. The Catholic Church and Protestant Churches reunified into one

Correct answer is 2. The percentage of Christians dropped from 95% to 70% .

Explanation:

First option is not correct as Islam wasn't majority in religion in Europe. Protestants, Catholic and Orthodox were and are still majority.

Second option is correct mostly due to fact that many communist regimes were established and the number of believers lowered.

Third option is not correct as although many Jews were killed during WW2, and some left Europe, there are still some who were living mostly in Eastern Europe.

Fourth option is not correct as these two churches never reunited since they were separated in 16th Century.

mercury

explanation:

mercury is the least dense because of its size

the thirteen colonies are:

connecticut, delaware, georgia, maryland, massachusetts, new jersey, new york, new hampshire, north carolina, pennsylvania, rhode island, south carolina, virginia