The first one should be mM
A - Ff and Ff is the answer
The stomach<span> is a muscular hollow organ. It takes in food from the esophagus (gullet or food pipe), mixes it, breaks it down, and then passes it on to the small intestine in small portions. The entire digestive system is made up of one muscular tube extending from the mouth to the anus.
Hope this is of help to you, and happy studying~!
~Isle of flightless Duns</span>
Answer:
One
Explanation:
Sodium (Na) has one valence electron so it gets one dot.