*Question*
Passive immunity lasts only as long as the antibodies survive in body fluids, and furthermore, antibody levels decrease with time. Given these facts, passive immunity decreases with among the following options: - ozone depletion - edema - passive-aggressive behavior - stellar implosion - stress - HIV - time - death
**Answer**
time

*Question*
Friction causes the temperature of an object to increase, and astrogarden objects are toys. Given these facts, what does friction do to a toy among the following options: - 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*
Tectonic plates being pushed together causes earthquakes, and plate tectonics states that the Earth's plates are constantly moving. Given these facts, the Earth constantly moving then being pushed together causes what among the following options: - oceans - erosion - deserts - Greenhouse gases - Energy. - energy - global warming - earthquakes
**Answer**
earthquakes

*Question*
Rivers are usually larger than streams, and watersheds are creeks, streams and rivers. Given these facts, what is a river also among the following options: - storing water - loose soil - dangerous - fertile - more abundant - watershred - body water - kinetic
**Answer**
watershred