Answer:
the boy is in Kinetic energy
Explanation:
Because when he swings he isn't experiencing any forces towards him only the swing experiences potential energy
Answer:
a human can stay up to 79 years
The lymph system creates extra white blood cells.
Answer:
it happens when 2 organisms jelp each other beneficial.
Explanation:
eg:algae and leguminous plants.the algae live on the roots and take in the nitrogen from the soil,which the plant cannot do and needs for growth.it takes in the nitrogen and pases it to the roots and even make the soil loose for the roots to move and they get a living space(algae on the roots).
DNA I’m not sure if im right sorry if im wrong
