Fact 1: When an electrical circuit is working properly , electrical current runs through that circuit. Fact 2: An electric circuit is the path of an electric current. Given the two facts above, answer the question "what does an electric circuit need to work properly" with the following options: - complete - a path - a piston - radio waves - engines - multiple paths - energy - heat
a path

(Question)
Fact 1: Earthworms are important deposit feeders that help form and enrich soil. Fact 2: Deposit feeders ingest sediment and then extract the food. Given the two facts above, answer the question "What do earthworms ingest in order to form and enrich soil?" with the following options: - segmented - vegetation - sediment - bacteria - Chlorophyll - sandworm - crawling - dirt
(Answer)
sediment

Ques: Fact 1: Darkness has a negative impact on photosynthesis. Fact 2: Plants feed themselves through the process called photosynthesis. Given the two facts above, answer the question "What has a negative impact on how plants feed themselves?" with the following options: - darkness - disease - influenza - sunshine - viruses - Pollution - water - light
Ans: darkness

(Q).
Fact 1: Coal is used for generating heat by burning. Fact 2: Coal and lignite are the lithified remains of plants. Given the two facts above, answer the question "What are the lithified remains of plants used for?" with the following options: - heat production - generating heat by burning - harvesting crops - damming rivers - food and shelter - heat is produced - A transportation fuel - planting seeds
(A).
generating heat by burning

Ques:Fact 1: Hydrogen bonds cause water to expand when it freezes. Fact 2: Ice is frozen water. Given the two facts above, answer the question "What causes ice to expand as it is formed?" with the following options: - precipitation - water - Physical weathering - sunlight - music - Condensation - heat produced - hydrogen bonds

Ans:hydrogen bonds

Ques: Fact 1: Treating water is used to remove harmful substances before drinking. Fact 2: Chlorine bleach is ideal for treating water. Given the two facts above, answer the question "What removes harmful substances from water before drinking?" with the following options: - Calcium carbonate - evaporation - circulatory systems - sugar - chlorine bleach - one celled organisms - glass - cyanide
Ans:
chlorine bleach