2.34A
2.5 mol of ba (H3PO4)
1000.og of m= 2.3 m
Answer:
The correct answer is option B, that is, an endoskeleton evolved to enclose the dorsal nerve cord, which develops from the notochord.
Explanation:
It has been discovered that the ancestors of the modern-day fish were vertebrate chordates. The vertebrate chordates are considered to have evolved from the invertebrate chordates that are identical to the present day tunicates. It has been found that in vertebrates the endoskeleton has evolved to encompass the dorsal nerve cord that has been developed from the notochord (a characteristic of invertebrates).
About 20 astronaut have faced fatalities during the space program.
The answer is “A”
It is a polar and covalent compound.
Answer:
с
Explanation:
all new cells come from other cells