Answer:
natural barriers
Explanation:
skin, mucous membrane, tears, earwax, muscus, stomach acid
Answer AND Explanation:
In spite being called the resting phase, many cellular processes take place during this phase. One of the most important of these is chromosomal replication in which each chromosome produces an exact copy of itself. The chromosomes are not visible as discrete structures but instead they appear as diffuse tangle of threads called chromatin.
Another important event is the formation of new organelles like mitochondria. There is also a build up of energy stores which is necessary to drive the mitotic process.
Answer:
Sexual reproduction
Explanation:
please mark as brainlist answers
Covalent bond is when two atoms share one or more pairs of electrons, an example of this could be H20 or C02.
ionic bonds are when one or more electrons from am atom are removed and attached to another, which can result in positive or negative ions which attract each other, an example of this could be table salt.
Answer:
Oh wow thats cool...... you can just look it up on the internet. There are the most amazing tricks and things on there.