helpppppppp Properties of nonmetals: •_____, low density • Thermal and electrical •____, gaseous at room temperature Groups cont
aining nonmetals: •: Group 17 •gases: Group 18 Reactivity trends in nonmetals: •in reactivity from left to right •in reactivity from bottom to top • Exception—
Turtles eat the grass, grass is needed for fish breeding. If there are more turtles, they will eat more grass and there will obvious be less of it. If there is not enough grass, other populations of fish will leave because they can't breed.