Need help asap! Will give brainliest (15pt) Which scenario has been theorized as the possible fate of the universe?
A.
the big chill
B.
the big bang
C.
the big expansion
D.
the big heat

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.