Aplant requires water to grow, and water carries the nutrients to the plants. Given these facts, what does a plant require in order to grow among the following options: - energy - Energy. - sunlight - nutrients - Heat energy - power - Glucose - photons
nutrients

Transportation technology is used for moving people, and another, more immediately feasible, technology for rapid transport is the maglev train. Given these facts, the maglev train is used for moving what among the following options: - humans - containers - athletes - food - waves - matter - people - resouces
people

Q: Thick fur can be used for keeping warm, and all bears are covered with heavy fur. Given these facts, what keeps warm among the following options: - bushes - muscles - Limbs - fibers - keratin - skin - bears - hair
A: bears

Question: Rocks interacting with wind over long periods of time causes weathering, and rocks weather at different rates. Given these facts, what affects rocks among the following options: - rivers - force - mildew - wind - magma - Weight - soda - magnetism
Answer: wind

*Question*
Antigens are molecules that the immune system recognizes as foreign to the body, and an allergy is a reaction to a substance the body recognizes as foreign. Given these facts, an allergy can be caused by among the following options: - antigens - Pesticides - cold weather - fever - viruses - food - Smoking - germs
**Answer**
antigens

Streams may start with runoff or water seeping out of a spring, and then, the stream flows into a larger body of water. Given these facts, what bodies of water may start with runoff among the following options: - solid, liquid, gas - agriculture - flooding - Condensation - smaller ones - loose soil - reducing acid rain - storms
smaller ones