Urine is the liquid waste product of the body that is excreted by the urinary system, and another readily available liquid manure is human urine. Given these facts, readily available liquid manure is a what among the following options: - aqueous solution - more abundant - share properties - competing for resources - major threat to health - animal transport - looseness of dirt or compost - product of the body
product of the body

Lack of moisture in the air causes low amounts of rainfall, and humidity is moisture in the air. Given these facts, what does a lack of humidity cause among the following options: - tornadoes - fires - low rainfall - disease - permineralization - drought - Dehydration - sweating
low rainfall

Q: Playing is one way mammals and other animals learn how to behave, and exercise is fun if it is also play. Given these facts, what can teach animals how to behave among the following options: - adding heat - humans - fossil fuels - A computer - nerves - people - irradiation - exercise
A: exercise

Question: Biodiversity generally increases from the poles to the equator, and biodiversity contributes to ecosystem complexity. Given these facts, where is ecosystem complexitiy generally least among the following options: - humans disturb it - frontal zones - in lakes - at the ocean - our planet - at the poles - mouth of rivers - at the equator
Answer: at the poles

*Question*
Infection can cause bodily tissues to swell, and doctors call such tissue swelling edema. Given these facts, what can infection cause in bodily tissues among the following options: - edema - better breathing - anemia - healing - viruses - mildew - wrinkling of cells - death
**Answer**
edema

*Question*
Adrought can change the color of an environment from green to brown, and lack of rain last winter has intensified Arizona's drought. Given these facts, what can change the color of an environment from green to brown among the following options: - lack of rain - deforestation - precipitation - Greenhouse gases - climate - h2o - forests - swamp vegetation
**Answer**
lack of rain