Observations are recording something that is already there
(qualitative and qauntitative)
an inference is an assumption or conclusion that is logically made
Answer:the last one
Explanation: red blood cells are round in order to move easily through blood vessels.
Answer:
a
Explanation:
Every cell in the human body contains protein. The basic structure of protein is a chain of amino acids. You need protein in your diet to help your body repair cells and make new ones. Protein is also important for growth and development in children, teens, and pregnant women.
Answer:
an organelle found in plant leaves
Good luck!