Fact 1: Heating a liquid can be used to identify that liquid 's boiling point. Fact 2: Boiling is the conversion of a liquid to a gas. Given the two facts above, answer the question "What phase does a liquid take when heated sufficiently?" with the following options: - gas - two - dew - cold - liquid metal - more viscous - crystallized - heat
gas

Fact 1: The looseness of soil increases the amount of oxygen in that soil. Fact 2: Oxygen in the soil is vital for healthy roots. Given the two facts above, answer the question "What is vital for healthy roots?" with the following options: - green leaves - nutrients - a healthy stem - hydration - looseness of soil - nearby mushrooms - aqueous solution - Organic compounds
looseness of soil

Q: Fact 1: Radioactive dating is used to determine the age of fossils. Fact 2: Fossil Petrified wood is the state fossil. Given the two facts above, answer the question "What can be determined with radioactive dating?" with the following options: - the age of algae - the age of flowers - the age of mammals - basic building blocks of life - dead organisms - movement of tectonic plates - the age of petrified wood - objects that have mass
A: the age of petrified wood

Question: Fact 1: Some mollusks are nearly microscopic. Fact 2: Mollusks are the second-largest invertebrate group. Given the two facts above, answer the question "Some _ are nearly microscopic" with the following options: - gastropod shells - invertebrates - peachleaf willow - homogenous - barnacles - an organism's body - Veins and arteries. - reproduce
Answer: invertebrates

*Question*
Fact 1: Using a gasoline engine requires burning gasoline. Fact 2: Gasoline ignites easily and burns vigorously. Given the two facts above, answer the question "using a gasoline engine requires what?" with the following options: - electricity - no ignition - carbon dioxide - easy ignition - difficult ignition - no gasoline - hydrogen and oxygen - adding heat
**Answer**
easy ignition

(Q).
Fact 1: Aflashlight requires a source of electricity to produce light. Fact 2: Battery can be tested with flashlight. Given the two facts above, answer the question "a battery is a source of what that is able to produce light" with the following options: - energy - wire - radiation - heat energy - sunlight - oil - electricity - Solar energy
(A).
electricity