Breaks down over time and becomes dirt
Answer:
C. They lose their gills
Explanation:
They lose their gills but grow lungs
Answer:
google said deep and haw rivers
Answer:
The smallest functional unit of matter: Atoms
An atom has 3 subatomic parts: Electrons, neutrons, and protons.
PROTONS carry a positive charge and are located in the: center of the nucleus in the atom.
Explanation:
Number of mole s of H
2
= 0.25 moles
number of molecules = moles * Avogadro’s Number
number of molecules = 0.25×(6.022×10
23
)
number of molecules = 1.505×10
23
single molecule of hydrogen contains two H-atoms. So,
number of atoms = 2×(1.505×10
23
) = 3.01×10
23
