If vertebrates are all chordates that have a spinal column, then what do all vertebrates have that invertebrates don't? Answer choices: - sensory neurons - fur and fat - bones and joints - a jaw bone - kinetic energy - Chemical energy - a spinal column - a set of gills
a spinal column

If passive immunity lasts only as long as the gammaglobulins survive in body fluids, then passive immunity lasts only as long as what survives in body fluids? Answer choices: - Energy. - gammaglobulins - heat or cold - bacteria - Chemical energy - parasites - Leptospirosis - Veins and arteries.
gammaglobulins

Q: If water flow through soil is variable, then what is the rate of water flow of soil? Answer choices: - salinity - variable - heat energy - reduce - streams. - streams - down - evaporation
A: variable

Question: If scraping oneself may lead to contaminated wounds, then what could occur should a person scrape themselves? Answer choices: - Loss of gravity - looseness of dirt or compost - Contaminated wounds - Development of super powers - it's bodily water decreases - Physical weathering - cause their death - Learning a new language
Answer: Contaminated wounds

*Question*
If fungi increase the amount of nutrients in the soil, then what can increase the amount of nutrients in the soil? Answer choices: - roots - wind - worms - Fungi - Enzymes - corn - trees - mussels
**Answer**
Fungi

Q: If force causes the velocity of an object to increase, then what causes increased object velocity? Answer choices: - Lift - wind - mass - height - weight - heat - Cars - force
A: force