Answer:
When it stands the test of time and is supported by many experiments.
What’s question 1? (It says the info from it is needed)
Answer:
small intestine
Explanation:
Umbilical. The umbilical region contains the umbilicus (navel), and many parts of the small intestine, such as part of the duodenum, the jejunum, and the illeum. It also contains the transverse colon (the section between the ascending and descending colons) and the bottom portions of both the left and right kidney.
Answer:
C) OXIDATION
Explanation:
Oxidation is the reaction of a substance with oxygen. When a rock reacts with oxygen, it forms iron oxide, which weakens the rock.
Answer:
four billion years ago the earth had a layer of ozone gas
