Answer:
a weightlifter lifts a 20 kilogram barbell above his head
C prepcepataion that’s the right answer
Photosynthesis produces oxygen gas by the reaction of sunlight and carbon dioxide. Every living thing living in an ecosystem requires oxygen to breathe and to survive.
Answer:
cell wall
Explanation:
Animal cells do not have a cell wall
The endocrine system through the use of hormones
