Answer:
Mammals
Explanation:
Humans are classified as mammals because humans have the same distinctive features (listed above) found in all members of this large group. Humans are also classified within: the subgroup of mammals called primates; and the subgroup of primates called apes and in particular the 'Great Apes'
I believe its the very last one or the very 1st one. sorry I could only give a 50/50 answer:/
B) sunlight
Sunlight supports life by providing food and warmth which is needed for the population of practically anything on earth to survive