EARTH'S PROTECTIVE SHIELD. Earth is surrounded by invisible gases that form a thin protective blanket that we call the atmosphere. It contains the oxygen that we breath as well as other important gases such as nitrogen, carbon dioxide, water vapor, and ozone.
Answer:
amino acids
Explanation:
Proteins ingested in the diet are digested into amino acids or small peptides that can be absorbed by the intestine and transported in the blood.
Answer:
A. Frogs A and C
Explanation:
If we look at both of the DNA scans we can see they both have IDENTICAL dna.
Answer:
F, it is made by the liver
Explanation:
