If something that requires special disposal is used for protecting plants by killing insects, then what does something used for protecting plants by killing insects require? Answer choices: - electricity - hydrogen and oxygen - organic molecules - food and shelter - important habitats - Special disposal - chemical messengers - deoxyribonucleic acid
Special disposal

If influenza is a disease caused by a virus, then what is influenza caused by? Answer choices: - insects - A bacteria - smoking - Mold - Viruses - amoeba - Cold weather - chemicals
Viruses

Q: If when the muscles around the prostate gland contract, sperm is propelled from the epidiymes, then what happens when muscles around the prostate gland contracts? Answer choices: - preventing heat transfer - The bending of a ray of light - Generating heat - Warm air moving into cold air - Sperm leaves the epidiymes - heat produced - Release energy - rapid expansion
A: Sperm leaves the epidiymes

Question: If the Earth being tilted on its rotating axis causes summer, then what does the Earth being tilted on its rotating axis cause? Answer choices: - wind - the galaxy - summer - spring - rainfall - heat - the moon - the solar system
Answer: summer

*Question*
If p-waves and S-waves can be traced back to faulting of rock in Earth's crust, then the origin of P-waves and S-waves can be traced back to what? Answer choices: - Something with a head, thorax, and abdomen - chemical messengers - flow of electrons - Electrical energy - Faulting of rocks in the crust - solid, liquid, gas - electromagnetic energy - that material's properties
**Answer**
Faulting of rocks in the crust

*Question*
If decreased oxygen levels cause blood vessels to dilate and cell walls to relax, then what causes cell walls to relax? Answer choices: - exercise - sweating - adding heat - Energy - dilation - heat or cold - heat - Dehydration
**Answer**
dilation