Answer: True.
Neonates haemoglobin level increase significantly during and following birth.
Explanation:
Neonates refers to a new born baby.
Haemoglobin is the protein in red blood cells that transport oxygen to the blood.
Haemoglobin continue to rise until two hours after birth this is because the infants require haemoglobin with high oxygen affinity which is needed for tissue oxygen and the baby might need to maximize oxygen intake following birth because its need to breath in air for respiration .
Salt water is denser than cold water because fresh water sinks when it is in salt water.
The organ is called stamens
Attached is the image to which model 1 refers to. I found the exercise on the internet.
The phospho part of the the structure is the one with the phosphate group (

³⁻): one atom of phosphorous (P) with four atoms of oxygen (O) attached. It has various functions depending on which biological molecule is present.