The answer for 21 I think is false
Answer:
A the temperature increases.
Explanation: When the same amount of water is heated or cooled, its density changes. When the water is heated, it expands, increasing in volume.
Answer: B - A battery with wires
Explanation: The mitochondria is the cells source of energy
Some limiting factors that the Orca population experienced while in captivity include food and dissolved oxygen.
<h3>What is Limiting factor?</h3>
This refers to any variable or factor in the environment which limits the population expansion of a given species.
In the case of Orca they are present in the sea and need food and dissolved oxygen to survive which is why it acts as a limiting factor due to their absence causing a decline in population.
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