Answer:
4
Explanation:
Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms.
I think the answer is C. increasing cellular respiration in muscle tissues
hope i can help ✨
The heads of phospholipids are hydrophilic while the tails are hydrophobic
Answer:
Identify all the entities in the system. An entity should appear only once in a particular diagram. ...
Identify relationships between entities. Connect them using a line and add a diamond in the middle describing the relationship.
Add attributes for entities.
Explanation:
Answer: In medicine, it refers to parts of the body further away from the center. For example, the hand is distal to the shoulder.