A scientist discovers a new body between the orbit of Neptune and the Kuiper Belt. The object is round and travels in an orbit around Neptune with other space objects.
Where is the scientist’s error?

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

An observation that requires measurement is called quantitative observable or qualitative

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.