Fact 1: Cycles of freezing and thawing water cause ice wedging. Fact 2: Ice wedging is the most important form of mechanical weathering. Given the two facts above, answer the question "What do cycles of freezing and thawing water cause?" with the following options: - Metling snow - Mechanical weathering - the looseness of soil - fissures of hot, acidic water - exposure to cold - Plant growth is reduced - heat production - looseness of dirt or compost
Mechanical weathering

Fact 1: Animals can communicate with sounds, chemicals, or visual cues. Fact 2: CAT Cats are animals and are great pets. Given the two facts above, answer the question "What can communicate with sounds, chemicals, or visual cues?" with the following options: - rocks - sheep - humans - Birds - bacteria - bears - viruses - cats
cats

Q: Fact 1: Active immunity results when an immune response to a pathogen produces memory cells. Fact 2: Vaccination is Active Acquired Immunity. Given the two facts above, answer the question "Vaccination produces" with the following options: - memory cells - pathogens - adrenaline - autism - warmth - Energy - rapid expansion - positive
A: memory cells

Question: Fact 1: Microorganisms cause food to spoil. Fact 2: Likewise, eating certain foods can also cause serious sickness. Given the two facts above, answer the question "Microorganisms can cause edibles to spoil and cause what?" with the following options: - filling meals - harmful substances - good tastes - Dehydration - healthy bodies - chickenpox - serious sickness - Pollution
Answer: serious sickness

*Question*
Fact 1: Sound can be used for communication by animals. Fact 2: Animals use sound in sophisticated ways. Given the two facts above, answer the question "animal what is sophisticated" with the following options: - exoskeleton - four limbs - communication - nervous system - hormones - in the frog family - proteins - circulatory systems
**Answer**
communication

Q: Fact 1: Sight is the ability to sense light, and the eye is the organ that senses light. Fact 2: Light seems to travel in rays or beams. Given the two facts above, answer the question "what is the eye able to sense?" with the following options: - sensory neurons - sunlight - heat or cold - rays or beams - see details - distance - Chemical energy - photons
A: rays or beams