Tangerine, Radish, and Avocado Kale Salad

bunch kale ((any variety) I used Lacinato.)

avocado (divided (Half will be used to massage the kale, and the other half sliced as a salad topping.))

lemon juice

agave ((optional))

tangerines (peeled and sliced)

radishes (sliced)

Hemp seeds and/or pumpkin seeds (for topping (optional))