Whos bored in quarintine :(? can people help me with my work? any subject

Plsss don’t worry about the green strip can someone plssssss

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.

Brainliest asap!me : ) has anyone read the poem, no, love is not dead? ? i have a question about it .. : )