*Question*
If passive immunity diminishes with time, then passive immunity decreases with? Answer choices: - ozone depletion - edema - passive-aggressive behavior - stellar implosion - stress - HIV - time - death
**Answer**
time

*Question*
If friction causes the temperature of a toy to increase, then what does friction do to a toy? Answer choices: - increases its temperature - heat is produced - converting electricity to heat - winds it up - It gets heated up - douses it in water - frosts it - decreases its bodily water
**Answer**
increases its temperature

*Question*
If the Earth constantly moving then being pushed together causes earthquakes, then the Earth constantly moving then being pushed together causes what? Answer choices: - oceans - erosion - deserts - Greenhouse gases - Energy. - energy - global warming - earthquakes
**Answer**
earthquakes

*Question*
If ariver is a watershred, then what is a river also? Answer choices: - storing water - loose soil - dangerous - fertile - more abundant - watershred - body water - kinetic
**Answer**
watershred