Fact 1: Plants release oxygen during the day but not during the night. Fact 2: Oxygen exchange is needed for plant respiration. Given the two facts above, answer the question "What do plants do during the day?" with the following options: - Exfoliation - amble - bite animals - produce light - grass - reproduce - sweating - respirate
respirate

Fact 1: Aplanet rotating causes cycles of day and night on that planet. Fact 2: Rotation simply means how long it takes a planet to spin on its axis. Given the two facts above, answer the question "what causes day and night cycles on a planet?" with the following options: - seasons - carbon dioxide - flow of electrons - gravitational pull - fissures of hot, acidic water - spinning on its axis - heat energy - energy of moving objects
spinning on its axis

Q: Fact 1: Streams may start with runoff or water seeping out of a spring. Fact 2: Lakes and streams are sources of drinking water. Given the two facts above, answer the question "What is a source of drinking water?" with the following options: - ice expanding in rock openings - helping to prevent floods - industrial runoff - it helps plants in growing - Water seeping out of a spring - salt water - polluted water - Something with a head, thorax, and abdomen
A: Water seeping out of a spring

Question: Fact 1: Plants use cellulose for their cell walls. Fact 2: Animals lack cell walls. Given the two facts above, answer the question "What do animals lack?" with the following options: - chromosomes - warmth - Energy - polysaccharides - Bodily water - fur and fat - microbes - cellulose
Answer: cellulose

*Question*
Fact 1: Most canyons are formed by flowing rivers through erosion over long periods of time. Fact 2: Rivers contain 0.001 percent of the earth's water. Given the two facts above, answer the question "What are most canyons caused by?" with the following options: - erosion - Physical weathering - magic - Freezing temperature - Flowing water - ice wedging - Flowing gas - flooding
**Answer**
Flowing water

(Question)
Fact 1: Animals require water for survival. Fact 2: Alice's favorite animal is the giraffe. Given the two facts above, answer the question "What do giraffes require for survival?" with the following options: - warmth - water - snacks - milk - prey - energy - food - Energy.
(Answer)
water