Fact 1: Keeping food cold is used for keeping food fresh. Fact 2: Sulfites keep foods fresh-looking (e.g., fruits, vegetables) and help prevent bacteria from growing. Given the two facts above, answer the question "Keeping food cold prevents" with the following options: - The bending of a ray of light - recovery time from fatigue - decreasing nutrients - Dehydration - decreasing flavor - fading color - bacteria from growing - direct damage to the lungs
bacteria from growing

Fact 1: Thyroid hormones increase the rate of metabolism in cells throughout the body. Fact 2: Thyroid hormone is made by the thyroid gland. Given the two facts above, answer the question "What increases metabolism in cells throughout the body?" with the following options: - lymph nodes - aerobic capacity - puberty - thyroid gland - Smoking - smoking cigarettes - cells - heat energy
thyroid gland

Q: Fact 1: Coal is used for generating heat by burning. Fact 2: Coal arrives at the power station coal handling area. Given the two facts above, answer the question "generating heat by what occurs at power stations" with the following options: - waves - wind - burning - engines - Fuel cells - sweating - Electrical - energy
A: burning

Question: Fact 1: When water freezes , that water expands. Fact 2: Beets tolerate mild freezes. Given the two facts above, answer the question "beets tolerate how much water expansion" with the following options: - cooled - adapt - grow - Winter - heat - energy - growth - mild
Answer: mild

*Question*
Fact 1: Biofuel is used to produce electricity by burning. Fact 2: Ethanol is the most widely used biofuel today. Given the two facts above, answer the question "What is burning ethanol used to produce?" with the following options: - heat energy - rays or beams - adding heat - kinetic energy - energy - carbon dioxide - electricity - engines
**Answer**
electricity

(Q).
Fact 1: If two balanced forces act on an object in opposite directions then that object will remain stationary. Fact 2: If an object is at equilibrium, then the forces are balanced. Given the two facts above, answer the question "What happens when an object is at equilibrium?" with the following options: - It melts - It remains stationary - The bending of a ray of light - It weighs more - matter vibrating - It moves quickly - flow of electrons - Movement of an air mass
(A).
It remains stationary