Explanation:
Altruistic behavior is showing selfless, uninterest in the wellbeing of others. it is uncommon behavior because humans have feelings and empathy for others.
Organelles are like the cell’s organs, they help the cell perform certain functions!! Hope this helped!
Answer:
A
Explanation:
The kingdom is the least specific classification of living things, so it therefore encompasses the largest variety of organisms
Hydrogen and carbon are the ingredients of all fossil fuels
They supply energy
