Question: If having no natural predators reduces the probability of extinction, then what event does the lack of natural predators prevent?  Answer choices: - extinction  - Animal survival  - deforestation  - proliferation  - movement  - population explosion  - competition  - increasing population
Answer: extinction

Question: If motion causes thermal expansion, then what causes thermal expansion?  Answer choices: - power  - Chimneys  - Sun  - motion  - Energy.  - sunlight  - coal  - energy
Answer: motion

Question: If acell converts oxygen and carbohydrates into carbon dioxide, water, and energy in the mitochondria, then where does a cell convert oxygen and carbohydrates into carbon dioxide, water, and energy?  Answer choices: - Most plants  - aerobic capacity  - In the mitochondria  - the body's largest organ  - they body they live in  - Veins and arteries.  - Organic compounds  - circulatory systems
Answer:
In the mitochondria