Answer:
Blank 1: Depression, anxiety, or both
Blank 2: Covered or paired
A halite crystal belongs to the cubic crystal system. The other five crystal systems are monoclinic, triclinic, orthorhombic, tetragonal, and <span>hexagonal.
The cubic crystal system is characterised by</span> <span>the way the atoms in the mineral are arranged in the three </span><span>dimensional</span><span> shape of a </span>cube. The halite crystal has this shape. Attached is an image of it.
Fire is not a living thing, and abiotic factors are the factors in an ecosystem that are non-living. So, fire is an abiotic factor in an ecosystem, though its not mentioned alot.
Because Stem Cells are more versatile and can be grown into a more variety of tissues, unlike adult cells.