When a geographer groups nations together based on a common factor like colonial history, a has been created.

a. climate
b. region
c. place
d. location

What causes the cyclical changes in the appearance of the moon?

The current is like a stream or river in the ocean true or false

Ineed , i need to create a power point in life science here is a picture explaining a little what the topic is about, me with some information for my slides : (