Question

drag the correct labels to the images. each label can be used more than once. classify the materials based on their composition. rock clear liquids peppercorns concrete salt oxygen birdseed plant substance homogeneous mixture heterogeneous mixture

Explanation:

A substance has a definite composition. A homogeneous mixture has a uniform composition throughout, while a heterogeneous mixture has a non - uniform composition. Rock is a heterogeneous mixture as it has different minerals and components visible. Clear liquids can be a substance if it's a pure liquid like water or a homogeneous mixture if it's a solution. Peppercorns are a heterogeneous mixture. Concrete is a heterogeneous mixture. Salt is a substance. Oxygen is a substance. Birdseed is a heterogeneous mixture. A plant is a heterogeneous mixture with different tissues and components.

Answer:

Rock: heterogeneous mixture
Clear liquids: substance or homogeneous mixture
Peppercorns: heterogeneous mixture
Concrete: heterogeneous mixture
Salt: substance
Oxygen: substance
Birdseed: heterogeneous mixture
Plant: heterogeneous mixture