Asap please 10 points and tell me the truth

Nami conducts an investigation on plants. she places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth. in this investigation, the amount of light is the .

Acommittee that exists permanently in either the house of representatives or the senate is called a a. permanent committee b. long-term committee c. standing committee d. enduring committee select the best answer from the choices provided

1u.s. history question! question: how did world war ii change the united states' position in world affairs? i need good explanation to support the answer otherwise i get docked points. real answers only ! you! : )