The reaction is given by

Barium goes underneath beta decay to form Ceaseum
- Cs is very mellable element
- It can melt on your hand
The best and most correct answer among the choices provided by the question is the second choice , b. sodium hydroxide .
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Explanation:
Scientifically speaking, metals are naturally occurring chemical elements that are typically hard, lustrous, and good conductors of both heat and electricity. Examples include iron, gold, silver, copper, zinc, nickel, etc., but also elements we don't normally think of as metals.
Answer: B
Explanation: The mitochondria are vacuoles and ribosomes are in both plant and animal cell