1: tension is the pulling force exerted by a string, cable, chain, or similar solid object on another object |
geosphere [__] | unbalanced forces [__] | food web [__] | electromagnetic spectrum [__] |
2: the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage) |
electric current [__] | parasitism [__] | energy transformation [__] | mutualism [__] |
3: the relation between two different species of organisms that are interdependent; each gains benefits from the other |
atmosphere [__] | food web [__] | wave [__] | mutualism [__] |
4: application of science, especially to industrial or commercial objectives |
conservation of energy [__] | balanced [__] | technology [__] | electrical energy [__] |
5: a flow of electricity through a conductor |
electric current [__] | conservation of energy [__] | relative age [__] | magnetic field [__] |