If insects have a more complex nervous system, then what crawls and is known to have a complex nervous system? Answer choices: - fur seals - Insects. - mammals - animals - a fish - humans - bees - ducks
Insects.

If hydrogen bonds cause h2o to expand when it freezes, then what does hydrogen bonds cause to expand when it freezes? Answer choices: - oxygen - atomic bombs - rain - NaCl - H20 - lake - hydrogen - h2o
h2o

Q: If aresponse to cold occurs when many muscles contract a little at once, then aresponse to what occurs when many muscles contract a little at once? Answer choices: - heat - cold - sweat - pain - forces - stress - comfort - motion
A: cold

Question: If organisms that become too cold can die, then what happens when it becomes too cold? Answer choices: - organisms can die - organisms can grow - cloudy and rainy weather - They may not survive. - organisms can move faster - Plant growth is reduced - organisms can combust - hyperthyroidism
Answer: organisms can die

*Question*
If telephones are used for communication by two people by transmitting mechanical waves, then telephones are used for communication by two people by transmitting what? Answer choices: - Transmitting illness. - chemical messengers - encoded information - electromagnetic energy - Television. - Communication degree. - Mechanical waves. - Electrical energy
**Answer**
Mechanical waves.

Q: If some viruses live in a hibernating state inside the body, then what can stay hidden in a hibernating state inside the body? Answer choices: - infections - blood cells - fungi - insects - viruses - honeybees - plasma - barnacles
A: viruses