Tell scientist from where and how the glaciers has moved
Moraine can be found in glacial environments, where it is deposited by moving glaciers as they pick up rocks and debris. It often forms ridges or mounds of unsorted material at the edge of glaciers or in their path as they retreat.
its a zooligist would study animals :)
archeologist
Varves are most likely found in glacial lakes or coastal marine environments where distinct seasonal layers of sediment are deposited over time. They are commonly used by scientists to study past climate conditions and environmental changes.
physics
fieldwork
If you mean the sentence, "Scientists study people's dreams," it would be "study people's dreams" and "scientists" is the subject. Ask yourself what is the point of the sentence, that's the subject, the rest is usually predicate.
you would need a spacecraft
geologists
it would be the study of birds sooo ornithology
a physicist
Oceanographer