How do scientists know that the core is made of iron and nickel? The core produces a lot of seismic waves.

Scientists have gathered samples of the core.

Pictures of the core have been taken from satellites.

The core is dense and produces a magnetic field.

The primary agent of contact metamorphism is

The incident command system (ics) is: a. most applicable to the management of complex incidents that extend over many hours or days. b. a military system used in domestic incidents to ensure command and control of federal resources. c. a standardized management tool for meeting the demands of small or large emergency or nonemergency situations. d. a relatively new approach created based on the lessons learned from hurricane harvey disaster operations.

Both pictures below were taken at the same time of day, but one picture was taken in summer, and the other in winter. how can you tell which is in winter