Epiglottis
The epiglottis is a flap of cartilage the covers the entrance to the throat protecting the lungs from obstruction. It moves when we swallow to allow food in.
Answer:
A vector quantity has a direction and a magnitude, while a scalar has only a magnitude. You can tell if a quantity is a vector by whether or not it has a direction associated with it.
Explanation:
Example: Speed is a scalar quantity, but velocity is a vector that specifies both a direction as well as a magnitude.
Answer:
ummmm not any species. maybe experimenting with plants or something. but you shouldn't interfere with animal life.
Explanation: they could die or get seriously ill from it
Answer:
guanine, cytosine, cytosine,adenine,thymine,guanine
Explanation:
This is because during DNA replication the complementary base pairings are Adenine and Guanine, Thymine and Cytosine.
