If having natural predators is a cause of mortality, then having what is a cause of mortality? Answer choices: - natural predators - seasons - Abnormal cell growth - liver cancer - insects - chickenpox - influenza - sunlight
natural predators

If graduated cylinders measure liquids in mL, then what unit of measure do cylinder measure volumes of liquid in? Answer choices: - cups - Fe - ounces - mL - H20 - pH - cubic centimeters - h2o
mL

Q: If fish cannot make their own food, then what is one thing fish cannot make? Answer choices: - babies - nests - matter - fat - edible - Energy - bubbles - food
A: food

Question: If fuel that burns incompletely in a furnace creates carbon monoxide, then what happens when a fuel burns incompletely? Answer choices: - Carbon monoxide disappears - direct damage to the lungs - deadly and devastating - Carbon monoxide is created - retaining heat - Oxygen increases - permineralization - It's recycled
Answer: Carbon monoxide is created

*Question*
If agreenhouse is used to protect producers by keeping them warm, then what is used to protect producers and keep them warm? Answer choices: - an electric stove - sweaters - green houses - dirt - animal fur - In the winter - evaporation - plant fans
**Answer**
green houses

Q: If hitting an object causes the particles in that object to change frequency, then what changes to the particles of an object when hit? Answer choices: - Temperature - frequency - Energy. - volume - molecules - density - energy - heat energy
A: frequency