The most common rock on Earth is basalt.
Answer: A) or the first option.
Answer:
basically gas exchange happens in alveoli where Oxygen enters in RBC and co2 is released where oxygenated and deoxygenated bloods get seperated
The answer is A: Mass extinction.
"Abrupt disappearance of many land and marine species" = extinction of many species.
Answer:
RNA is a single-stranded nucleic acid. RNA has a ribose sugar instead of a deoxyribose sugar like DNA. RNA nucleotides have a uracil base instead of thymine. There are many different types of DNA RNA is single stranded RNA forms a double helix.
Explanation:
Answer:
1.A
2.I
3.E
4.H
5.C
6.J
7.B
8.D
9.G
10.F
Explanation:
I believe that's the order it goes wasn't sure about 2 & 6 but I hope this helps :D