You will note that the IP addresses change with every query. Why? Pick all plausible reasons:

Group of answer choices

Dynamic determination based on geographic location reported for your own IP

Random server assignment inside of Google's data center

Encryption tunnel limitations from connecting via HTTPS

Load balancing among Google's web Servers

Load balancing among Google's DNS Servers

An attempt to spread requests out evenly across load balancers.

Different route taken to web server over the Internet each time you query