Answer:
Active Transport
Explanation:
Active Transport is moving substances from lower concentration to a higher concentration.
Okay blue is solid and the other one is gas on top and liquid on bottom i think
Answer:
Calcium Carbonate or Lime Stone
Explanation:
The outer hard shell of cray fish is made up of CaCO3 from sea sediments. It as analogue to the carapace of cockroach because both belongs to the phylum Arthropoda. Although they have different classes but their exoskeleton shares same composition and internal structure. Both use this to protect themselves against predators.
Salt
a decrease in temperature and an increasue in salinity
