Organisms must maintain homeostasis because cells function best when internal conditions
a) change at regular intervals
b) remain within a limited range
c) reflect external conditions
d) respond to positive feedback

the core of the sun is so hot and there is so much pressure, nuclear fusion takes place, hydrogen is changed to helium. nuclear fusion creates heat and photons. when the heat reaches the earth it warms the molecules of the atmosphere, and they warm other molecules and so on.

option a and d is the correct answer

i hope this u

plz mark as the brainliest answer

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.