If mechanical weathering causes rocks to crack, then what does mechanical weathering do to a rock? Answer choices: - move to different locations - Causes it to crack - Makes it shrink - break off - Regrows it - decreases its bodily water - Moves it - Causes it to grow
Causes it to crack

If roundworms reproduce using karyogamy and meiosis, then roundworms reproduce using meiosis and what? Answer choices: - karyogamy - pollen - survive - reproduce - allow growth - Energy - Leptospirosis - seeds
karyogamy

Q: If competition can lead to dogs demonstrating a deep grumbling bark, then what can lead to a dog demonstrating a deep grumbling bark? Answer choices: - sensory neurons - reduced heat - competition - Decibels - friction - Damaged hearing - matter vibrating - adding heat
A: competition

Question: If current flow gives electric power, then what gives electric power? Answer choices: - televisions - heat energy - energy - current flow - kinetic energy - engines - weather - air conditioners
Answer: current flow

*Question*
If fire can change the state of matter, then what can change the state of matter? Answer choices: - Acids - energy - gravity - volume - density - toxins - fire - motors
**Answer**
fire

If the mass of an object causes the attraction exerted by that object, then what causes the amount of attraction exerted by an object? Answer choices: - mass - motion - motors - heat - energy - wind - fibers - fields
mass