What does a chicken have that a banana does not? idk why my science teacher is asking me this

The density of a planet is 0.69 g/cm3 (density of water is 1.0 g/cm3). which of the following planets might this be? a. mercury b. venus c. saturn d. mars

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins