1.The enzyme pepsin.Pepsin breaks down proteins in the stomach
2 Im pretty sure its the duodenum and the ileum
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.
Thirty-eight because the chromosome pairs are 19 and therefore, no. of chromosome will be 38.
Speciation of plants can make us grows plants with a desired attribute.
This make the plants that we want could fulfill more of our needs, whether it's nutrients , material, or aesthetic purposes
hope this helps