Answer:
1) Liquid hydrogen has the lowest density of any liquid.
2) Hydrogen is the chemical element with the symbol H.
3) Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.
4) Atomic mass: 1.00784 u
5) Atomic number: 1
Answer:
Monocot roots are mostly fibrous while dicot roots are mostly tap root.
Monocot root has a wide pith while dicot root does not.
The correct answer is C. Trees provide oxygen for humans, so by reducing trees you reduce oxygen available for humans.
