If urea is a waste product of the body that is excreted by the urinary system, then what is a waste product of the body that is excreted by the urinary system? Answer choices: - potash - food - CO 2 - sugar - urea - liquid - H 2 O - sulfur
urea

If passive immunity lasts only as long as the antibodies survive in something containing potassium and sodium, then passive immunity lasts when the antibodies survive in something containing what? Answer choices: - fever - Leptospirosis - resistance - Chlorophyll - potassium - disease - bacteria - parasites
potassium

Q: If aplant requires nutrients to grow, then what does a plant require in order to grow? Answer choices: - energy - Energy. - sunlight - nutrients - Heat energy - power - Glucose - photons
A: nutrients

Question: If all chemical changes require activation energy to occur, then what do ALL chemical changes require to occur? Answer choices: - during the day - heating liquids - Activation energy - wavelengths and photons - Burning fuel and air - kinetic energy - electromagnetic energy - direct energy
Answer: Activation energy

*Question*
If reproduction is the process by which living things give birth to babies, then reproduction is the process by which living things what? Answer choices: - Most plants - allow growth - spread flower seeds - have wide set eyes - members of their own species - have birthing hips - have quiet laughter - give birth to babies
**Answer**
give birth to babies

*Question*
If viruses can infect good and bad types, then how many types can viruses infect? Answer choices: - mice - pigs - bird - RNA - ova - tiny - HPV - Two
**Answer**
Two