Its the first layer of protection in the atmosphere against radiation from the sun and its harmful U.V. rays.
Answer:
Prokaryotes have the most primitive and simplest form of the cellular structure. This advantage the prokaryotes advantages over the eukaryotes in quick reproduction and easy adaptation to any new environment. ... An advantage of eukaryotic cells over prokaryotic cells include compartmentalization in the form of organelles.
The answer is 22.5 lb/gal.
The density of a liquid is quotient of mass and volume: D = m/V. The unit of the density is pound per gallon (lb/gal)
The density is unknown: D=?
But, we have:
mass: m= 90 lbs
volume: V = 4 gals
Do, the density of a liquid is:
D = 90 lbs / 4 gals
D = 22.5 lb/gal
Answer:
Because mRNA tells you what type of veins
Explanation: