The answer is A) Plasmid. I just answered this question!
<span> Major </span>functions of the somatic nervous system<span> include voluntary movement of the muscles and organs and reflex movements.</span>
Chewing a saltine cracker is a physical change
Answer:
There are many different things you can add.
Explanation:
I have heard bat guano is really good, others are:
Manure. ...
Garden Compost. ...
Seaweed. ...
Leaf Mould. ...
Mushroom Compost. ...
Blood, Fish and Bone. ...
Bark. ...
Grit or Sand.
But I'm sure that there is many others.
A mammals need for oxygen effects their heart rate because there could be some cases where they're in lack of oxygen causing them to be literally ' out of breath ' . Like climbing a mountain. The higher you go the less oxygen.
Hope I helped !!11!!!!! :)