Each chromosome contains one molecule.
An enormous cloud of gas and dust that contracts due to gravity and forms stars is called a nebula.
Answer:
aphthous ulcers
Explanation:
I took a medical course so i know :D
PS: thank and nark me brainly plzzz
Emperor penguins have the ability to 'recycle' their own body heat. The arteries and veins lie close together so that blood is pre-cooled on the way to a penguin's feet, wings and bill and warmed on the way back to the heart. Emperors' feet are adapted to the icy conditions
The continental plate is thicker and less dense while the oceanic plate is thinner and more dense.
