Which of the following is an example of symbiosis? a. barnacles living on a whale’s skin b. a tree obtaining nutrients from the soil c. phytoplankton absorbing the sun’s rays d. a blue whale feeding on zooplankton Please select the best answer from the choices provided A B C

C= 5 9 (f−32) the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true? a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of 5 9 degree celsius. a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit. a temperature increase of 5 9 degree fahrenheit is equivalent to a temperature increase of 1 degree celsius. a) i only b) ii only c) iii only d) i and ii only