Answer:
Part 1:
The four astronomical bodies one could choose to represent the 4 labels in the diagram are
A - universe
B - galaxy
C - solar system
D - Mars
The universe contains galaxies and galaxies holds solar systems which have planets like Mars
Part 2: D or a planet like Mars is unlike all their other astronomical bodies it does not have other astronomical bodies within it thus, its different from rest.
Answer:
Kidney
Explanation:
Nephron is the basic unit of structure in the kidney
Number one is sex cells are created
The answer is B, because only plants have chloroplasts (which they use for photosynthesis) and cell walls (which protects and supports the plant cell)
Most appropriate answer is D !As vessels dialates the velocity of the blood flow decreases !
So both C and D is appropriate! But I will suggest D !
