⟩ What is the name for the celestial body of interstellar gas and dust where stars are sometimes born?
Nebula
Nebula
What is a graduated cylinder and how is it used?
Why is it important to be familiar with the laboratory apparatus and their uses?
What is the difference between nematocyst and spicules?
Why are trees green?
What does vacuoles do?
Why is the reaction of ethane and chlorine not a free-radical addition reaction?
What does acute disease mean?
What are sori?
How do plants take in oxygen?
What is a brain freeze?