Having no natural predators increases population size, and population size is a function of natality and mortality. Given these facts, having what is a cause of mortality among the following options: - natural predators - seasons - Abnormal cell growth - liver cancer - insects - chickenpox - influenza - sunlight
natural predators

Agraduated cylinder is used to measure volume of a liquid, and students learn to use a graduated cylinder and measure in mL. 2. Given these facts, what unit of measure do cylinder measure volumes of liquid in among the following options: - cups - Fe - ounces - mL - H20 - pH - cubic centimeters - h2o
mL

Q: Heterotrophs are living things that cannot make their own food, and all fish are heterotrophic. Given these facts, what is one thing fish cannot make among the following options: - babies - nests - matter - fat - edible - Energy - bubbles - food
A: food

Question: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel, and any fuel that is incompletely burned produces carbon monoxide, a colorless, odorless gas. Given these facts, what happens when a fuel burns incompletely among the following options: - 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*
Agreenhouse is used to protect plants by keeping them warm, and plants are Earth's producers. Given these facts, what is used to protect producers and keep them warm among the following options: - an electric stove - sweaters - green houses - dirt - animal fur - In the winter - evaporation - plant fans
**Answer**
green houses

Q: Hitting an object causes the particles in that object to vibrate, and frequency is the measurable rate of that vibration. Given these facts, what changes to the particles of an object when hit among the following options: - Temperature - frequency - Energy. - volume - molecules - density - energy - heat energy
A: frequency