Scenario 3: Your teacher's pet dog brought in two unknown substances. One had a regular shape and one
had an irregular shape. Your teacher wanted to identify
the substances so they measure the mass and calculated
the volume.
What property of matter is the scientist using?
Can this property be used to identify a substance?

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Which process is involved in growing crops? irrigation transportation recreation condensation

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?