<span>sperm, blood, hair with attached tissue</span>
Answer:
Particles need to collide in order to react. Which best explains why sawdust burns more quickly than a block of wood of equal mass under the same conditions? The molecules move more quickly in the sawdust than in the block of wood. The pressure of oxygen is greater on the sawdust.
So to solve this problem, we are going to have to set up a couple unit conversions and then cancel units:

This method can be used to convert between many different units and is a very helpful tool for questions such as these.
It is called magma when in is under the earths crust, but above the surface it is called lava. So the answer would be "B."
The answer is protein; a capsid is a protein coat.
Hope this helps!