IDNLearn.com is your go-to resource for finding expert answers and community support. Join our platform to receive prompt and accurate responses from experienced professionals in various fields.

In physics, what is a "fluid" defined as?
A) A material that maintains a fixed shape and resists deformation
B) A substance that can flow and conforms to the shape of its container, including both liquids and gases
C) A rigid solid that does not change its shape under pressure
D) A mixture of solids that can be easily compressed