Concept:Intrusive landforms are formed when magma cools and solidifies beneath the earth’s surface.Explanation:Cinder is a type of volcano or volcanic fragment, not intrusive.Composite refers to a composite volcano built by eruptions, not an intrusive feature.Geyser is a hot spring, not a landform formed by cooling magma.A batholith is a large mass of igneous rock formed when magma cools slowly underground.Answer:B. batholith