1 is the answer because it’s talking about chemical
From proximal to distal, these are the components of the
male urethra:
First is the bladder, and then next is seminal Vesicle, Prosate,
Pubic bone, Erectile tissue. Urethra, Spermatic
duct, Epididymis. Glans penis. Forskin, Testis. Rete testis, Efferent ductules.
Seminiferous tubules, and lastly, Anus
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Answer:
At the very bottom
Explanation:
When examining a cross section of rock layers, the oldest layer is on the bottom. This is because over time, newer rock layers continued to form on top of the oldest one.
Ozone would be the secondary pollutant because it is caused when two primary pollutants react. Hope this helps!
Population and nutrients, This is because if you have a large population then you must need a certain amount of nutrients to suit the population
