Fact 1: Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone. Fact 2: Carbon dioxide dissolved in rainwater forms carbonic acid. Given the two facts above, answer the question "What chemical creates a cavern?" with the following options: - carbonic acid - heating liquids - hydrogen and oxygen - aqueous solution - salt - oxygen - hydrogen - flow of electrons
carbonic acid

Fact 1: The gravitational pull of the Moon on Earth 's oceans causes the tides. Fact 2: Tides create current. Given the two facts above, answer the question "If the moon was not present, what would happen to ocean currents?" with the following options: - erosion - Movement - decrease - summer end - imbalanced - flooding - watershred - rivers
decrease

Q: Fact 1: Ameasuring cup is used for measuring the volume of substances. Fact 2: For dry ingredients, use a graduate measuring cup set. Given the two facts above, answer the question "what are used for measuring volume of substances" with the following options: - sea squirts - heat energy - graduations - all liquids - arteries - microscope - rainfall - streams.
A: graduations

Question: Fact 1: If a tree falls then sunlight becomes available to the surrounding plants. Fact 2: When a big tree falls, sunlight shines on smaller plants and they get a chance to grow. Given the two facts above, answer the question "What do plants do when a tree nearby falls?" with the following options: - dormant state - They attract birds - They die - They grow better - It remains dormant - It becomes dormant - They also fall - they bend
Answer: They grow better

*Question*
Fact 1: Electricity sometimes is used for heating buildings. Fact 2: Nuclear fission is the only method currently used by nuclear plants to generate electricity. Given the two facts above, answer the question "Which of the following is sometimes used to indirectly heat buildings?" with the following options: - hydrogen and oxygen - carbon monoxide - direct energy - dropping spheres - electromagnetic energy - a hydraulic system - nuclear fission - farm animals
**Answer**
nuclear fission

Q: Fact 1: Viruses are not cells. Fact 2: Viruses Viruses are the smallest agents of disease. Given the two facts above, answer the question "Cells do not include" with the following options: - harmful substances - sulfate particles - the smallest agent of disease - direct damage to the lungs - sub-units of species - Inches or fractions of inches. - Something with a head, thorax, and abdomen - Direct sunlight.
A: the smallest agent of disease