Observations are recording something that is already there
(qualitative and qauntitative)
an inference is an assumption or conclusion that is logically made
I believe the answer to this is molecule.
A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force.
Answer:
Wind shaping rocks is an example.
Explanation:
Abiotic factors are factors that aren't from a living creature. Wind picks up sharp grains that carve rocks over millions of years. Other examples include:
Water shaping rocks
Earthquakes creating riverbeds.
And much more!
Hope this helps!
The water particle are moving faster which cause the to expand
