Problem: OPTIONS:
- passenger pigeons
- honeybees
- deuterostomes
- Most plants
- insects
- animals
- huddle together
- orchids
Q: Fact 1: Echinoderms use pheromones to communicate with each other. Fact 2: All echinoderms are deuterostomes . Given the two facts above, what use pheromones to communicate with each other?
Answer: deuterostomes

Problem:OPTIONS:
- Weight of sun
- Temperature
- Volume of water
- Weight of moon
- Calcium carbonate
- Sound levels
- objects that have mass
- air pressure

Fact 1: Agraduated cylinder is used to measure volume of a liquid. Fact 2: Typically, the liquid is water. Given the two facts above, what is a graduated cylinder used to measure?
****
A: Volume of water

Fact 1: Mollusks have a circulatory system with one or two hearts that pump blood. Fact 2: Mollusks have a simple heart, which pumps the blood throughout the body. Given the two facts above, what kind of heart do mollusks have?
OPTIONS:
- organ
- epidermal
- fossils
- ligt
- three
- warmth
- warm
- simple
simple

Fact 1: Wind and rain cause erosion. Fact 2: Major erosion of beaches occurs. Given the two facts above, what causes loss of beaches?
OPTIONS:
- Pollution
- deforestation
- solar flares
- sunlight
- animal activity
- Physical weathering
- wind and rain
- flooding

Answer: wind and rain

Question: Fact 1: Aging occurs as cells lose their ability to divide. Fact 2: Gerontology is the study of the aging process and old age. Given the two facts above, what happens as cells lose their ability to divide?
OPTIONS:
- anemia
- puberty
- negative
- radiation
- getting old
- replication
- Dehydration
- having a baby
Answer: getting old

input: OPTIONS:
- Perspiration
- low amounts of sunshine
- low amounts of rainfall
- refract or absorb.
- deforestation
- high amounts of snow
- high amounts of rainfall
- Plant growth is reduced Now, answer this question: Fact 1: Lack of moisture in the air causes low amounts of rainfall. Fact 2: Clouds are made of moisture and the moisture is from the water evaporating. Given the two facts above, lack of water in the air causes?
A:
output:
low amounts of rainfall