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What process most likely caused the change in atmospheric composition?
photosynthesis
What process causes the mineral composition of the rock to change?
The process is called metamorphism, the alteration of chemical composition or structure due to heat and/or pressure.
Is a change of shape caused by folding or cutting a physical or chemical change?
A change of shape caused by folding is a physical change because the substance retains its chemical composition. Cutting, on the other hand, is also a physical change as it does not alter the chemical composition of the material.
A physical change is best defined as?
a process that does not change the chemical composition of a substance. A change in a substance with no new substances being formed
Is a erosion caused by wind a chemical change?
No, erosion caused by wind is a physical change, not a chemical change. The wind is simply moving particles of rock or soil from one place to another without altering their chemical composition.
What is an example of a physical change tarnishing rusting burning or melting?
Melting is an example of a physical change because it does not change the chemical composition of the substance undergoing the change. Tarnishing, rusting, and burning are examples of chemical change because they are caused by chemical reactions, which change the chemical composition of the substances undergoing the change.
Is seeds to pumpkin physical or chemical change?
This process involve chemical reactions but also physical changes.
What is the composition of the materials during physical change?
During a physical change, the composition of the materials remains the same. The change only affects the physical properties of the substance, such as its shape, size, or state of matter, without altering its chemical composition. This means that no new substances are formed during a physical change.
What do you call the process in which crystals change in size or composition?
The process through which crystals change in size or composition is known as crystallization. This can occur through various mechanisms such as cooling, evaporation, or chemical reactions, leading to the formation of new crystals with different properties.
Why is germination of a seed is a chemical change?
The chemical composition is changed during this process.
What term is defined as a change in an object?
A change in an object is known as transformation, which refers to the process of altering the appearance, structure, or composition of the object.
Is freeze drying physical change or chemical?
Answer: It is a chemical change, it changes the actual composition of the object by removing water.
