Which of the following audiences would probably be uninterested in a new type of environmentally-friendly washing machine? select all that apply

teenagers who do not do their own laundry
parents who do laundry for their children
people who are concerned about the environment
people who are in the market for a new washing machine
people who have just purchased a new washing machine

What is a mechanism by which organisms maintain homeostasis when the level of one substance influences the level of another substance or the activity of an organ.

Read the following passage: he roamed from chamber to chamber with hurried, unequal, and objectless step. the pallor of his countenance had assumed, if possible, a more ghastly hue— but the luminousness of his eye had utterly gone out. the once occasional huskiness of his tone was heard no more; and a tremulous quaver, as if of extreme terror, habitually characterized his utterance. there were times, indeed, when i thought his unceasingly agitated mind was laboring with some oppressive secret, to divulge which he struggled for the necessary courage. which of the above ideas might be considered foreshadowing? he is wandering all over the chamber his skin tone is really pale his voice is quivering the narrator thinks he is laboring with an oppressive secret

Plz i'm really bad with these and it would really mean a lot if you could ?