Answer:
1st is correct
Explanation:
At its simplest, a dog's digestive system is a long tunnel that runs from their mouth to the anus. Food goes in at the mouth and travels through this tube and at various stages is broken down and either absorbed into the body or excreted as waste at the anus.
Answer:
5
Explanation:
The number of protons is the same as the atomic number
The answer is carbon, hoped this helps you!
I’ll go with ccccccccccc cc