I would say DNA needs to be in a double helix so it can be unraveled and duplicated during cell mitosis
Answer:
Glue and sawdust.
Explanation:
Glue and sawdust are the substances that applied in wood to fill up cracks and grooves. You can use the glue and sawdust method to fill the gaps present in the wood. This method is a quick and easy solution that successfully fill up the gaps and grooves on the wood. The method of using this method is, first fill the gap with a small amount of wood glue, then rub sawdust into the gap which attached the saw dust with itself and the gaps are filled.
"Alveoli" <span>is where gas exchange takes place between the lungs and the blood.
Hope this helps!</span>
Answer:
B an animal that can live in fresh water
