Fact 1: Lung cancer is most often caused by exposure to tobacco smoke. Fact 2: Lung cancer continues to kill, despite modern therapies. Given the two facts above, answer the question "What can kill?" with the following options: - thoughts - Tobacco smoke - satisfaction - Electric devices - flow of electrons - taxes - animals - heat produced
Tobacco smoke

Fact 1: Along tail can be used to move through water by an animal. Fact 2: Thresher sharks are long-tailed subtropical fish that swim along the surface. Given the two facts above, answer the question "What do thresher sharks move through?" with the following options: - biome - rivers - Fish - oceans - Soil - Sediment - gills - Water
Water

Q: Fact 1: Biofuel is used to produce electricity by burning. Fact 2: Biofuels include ethanol, methanol, biodiesel, biocrude, and methane. Given the two facts above, answer the question "what produces electricty by burning?" with the following options: - cactuses - ethanol - engines - cigars - organisms - cigarettes - Conifers - ferns
A: ethanol

Question: Fact 1: Intense heat has a negative impact on an organism. Fact 2: Bacteria are killed by intense heat for a certain time. Given the two facts above, answer the question "What hurts bacteria?" with the following options: - Hot temperatures - Abnormal cell growth - Cool air - Warm water - Room temperatures - prolactin release - some viruses - Pollution
Answer: Hot temperatures

*Question*
Fact 1: Alight bulb is used for seeing in the dark. Fact 2: Light is emitted by a light bulb. Given the two facts above, answer the question "What is emitted light used for ?" with the following options: - electricity - To see in the dark. - activation energy - heat energy - kinetic energy - an electron microscope - major threat to health - Electrical energy
**Answer**
To see in the dark.

(Q).
Fact 1: Some parasites live on the surface of their host. Fact 2: Leeches are external parasites. Given the two facts above, answer the question "Where do leeches live in relation to their hosts?" with the following options: - In their beds - body water - competing for resources - In their shoes - loose soil - In their intestines - important habitats - On their surface
(A).
On their surface