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.
Answer is c bruh
you could have googled it to but i guess this is easier
C. The question is hinting at the similarities between how single cellular organisms maintain homeostasis by regulating water levels the same way the kidney does for multi cellular humans.
Answer:
opposite/hypotenuse
Explanation:
SOHCAHTOA method, shows that sine is Opposite Hypotenuse.
Answer: The answer is A: 50,000,000 years.
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