Fact 1: Freezing means changing from a liquid into a solid by reducing heat energy. Fact 2: Solidification , or freezing, occurs when a liquid turns into a solid. Given the two facts above, answer the question "changing from a liquid into a solid by reducing heat energy what?" with the following options: - heats up - Evaporation - Dehydration - warms - kinetic energy - melts - boiling - solidifies
solidifies

Fact 1: Muscle contraction occurs when muscle fibers get shorter. Fact 2: Exercise causes muscles to contract. Given the two facts above, answer the question "What causes muscle fibers to get shorter?" with the following options: - friction - acetic acid - heat or cold - sweating - electrically - resistance - Damages them - exercise
exercise

Q: Fact 1: Bacteria can cause people to become ill. Fact 2: Healthy people become ill, and sick people die. Given the two facts above, answer the question "What can bacteria cause people to do?" with the following options: - fly - harm - kill - Improve intelligence - loss - die - Grow faster - sick
A: die

Question: Fact 1: Some mollusks are nearly microscopic. Fact 2: Ribosomes are too small to see in the light microscope. Given the two facts above, answer the question "Some mollusks are nearly what?" with the following options: - more abundant - scarce resources - too sad to talk to - too large to touch - major threat to health - too small to see - too big to see - important habitats
Answer: too small to see

*Question*
Fact 1: Fish have a circulatory system with a two-chambered heart. Fact 2: Birds also have four-chambered hearts. Given the two facts above, answer the question "What aspect is different for Bird and fish hearts" with the following options: - circulatory systems - matter vibrating - tissue - it keeps an organism warm - members of their own species - heat produced - blood - type of organs
**Answer**
circulatory systems

*Question*
Fact 1: Zinc has a positive impact on the healing of wounds. Fact 2: An incised wound is a clean cut. Given the two facts above, answer the question "What kind of impact does zinc have on healing cuts?" with the following options: - heat energy - lowered energy cost - no impact - major threat to health - it causes infection - a positive impact - circulatory systems - a negative impact
**Answer**
a positive impact