Fact 1: Vesicle transport requires energy, so it is also a form of active transport. Fact 2: Active transport is another form of diffusion. Given the two facts above, what requires energy?

OPTIONS:
- diffusion
- empty space
- Plants growth
- nothing
- salamanders
- animals
- passive transport
- Cooking

Answer: diffusion

Fact 1: Veins generally carry deoxygenated blood. Fact 2: Deoxygenated blood is heavy with carbon dioxide. Given the two facts above, what is blood heavy with?

OPTIONS:
- Carbon monoxide
- Energy.
- Bacteria
- Chemical energy
- matter vibrating
- Carbon dioxide
- Veins and arteries.
- Water

Answer: Carbon dioxide

Fact 1: Alight bulb is used for seeing in the dark. Fact 2: Evening had arrived quickly, and it was almost too dark for the old man to see where to step safely. Given the two facts above, a light bulb is used for seeing where to step what?

OPTIONS:
- feet
- move
- lightly
- dangerously
- quickly
- two
- safely
- down

Answer: safely

Fact 1: Sugar causes food to taste sweet. Fact 2: Corn sugar is primarily glucose. Given the two facts above, what causes sweetness in foods?

OPTIONS:
- hormones
- heat
- eukyarotes
- glucose
- glaucoma
- gluten
- lactose
- Enzymes

Answer:
glucose