Answer:
b many ogansisms have become exinct
Explanation:
Well, a compound forms whenever two or more atoms form chemical bonds with each other. Each molecule of water consists of one oxygen atom chemically bonded to two hydrogen atoms.
Knowing specifically and accurately that water is for sure a compound makes it special and very interesting.
<span>The correct option is A. Dark age are so called because compare to other eras, historian don't know much about this era. This period of time is considered lost to history, no important record about the era has survived, The cause of the dark ages was the collapse of the Roman Empire and the invasions and raiding that characterized it.</span><span />
I'm sort of confused, the correct answer should be that 75% would be homozygous dominate and 25% heterozygous dominate and 0% would be anything recessive. I couldn't tell if that was an option because they were all smooshed together. I hope that helped
