Question

1. choose the best answer.

what did early greek philosophers theorize in ancient times?
anything not observable does not exist.
matter consists of classical elements and atoms.
matter can change without its properties changing.
atoms are large particles that are indestructible.

Explanation:

Early Greek philosophers, such as Empedocles (who proposed the four classical elements - earth, air, fire, water) and Democritus (who theorized about atoms), developed ideas about the composition of matter. The idea that matter consists of classical elements and atoms aligns with their philosophical musings.

• The claim "Anything not observable does not exist" is too extreme. Greek philosophers also engaged in abstract reasoning about concepts that might not be directly observable.
• "Matter can change without its properties changing" is not in line with their basic understandings. Changes in matter were often associated with changes in its fundamental nature (e.g., through the interaction of elements).
• Atoms were theorized as small, not large, particles.

Answer:

Matter consists of classical elements and atoms.