1) The term "cloud computing" refers to the delivery of computing services, including storage, databases, and software, over the internet rather than on a local server.

2) The Industrial Revolution led to significant urbanization, as people migrated from rural areas to cities in search of employment in factories.

3) The Eiffel Tower can be 15 cm taller during the summer due to thermal expansion.

4) Male seahorses are the ones who give birth to their offspring.