Answer:
B. hydrogen bond
Explanation:
The double helix is held together by hydrogen bonds between the bases
In terms of parasites vs hosts, it is an organism in which the parasite resides and normally feeds + reproduces.
Smoking ruins your lungs making it harder to breath and get oxygen
you need oxygen when you exercise so you don't faint
smokers get less so it is harder for them, its like trying to exercise while breathing through a sponge or a straw os
Answer:
a. veins and arteries
b.diaphragm
c.kidney
d.lung
e.4
f.left auricle(atrium) , right auricle(atrium)
g.left ventricle, right ventricle
h.blood plasma
i.digestive
j.buccal cavity ,saliva
k.bile
l.excretory
m.kidneys
Explanation:
Answer:
Explanation:
The red line is growing becuse the temputer is grtting hotter than everything else