Answer:
endosteum
Explanation:
The membrane surrounding a bone is the endosteum.
<span>Answer:
A. Sodium =1
B. Magnesium =2
C. Aluminum =3
D. Silicon =4
</span>
Fluorine is a halogen group that needs 1 more electron to become stable. When it forms a compound with other, the number of fluor atoms depends on the valence electron of the couple. Sodium has 1 valence electron while magnesium has 2, aluminum has 3 and silicon has 4
Answer:
The correct answer is "several instances of the legless condition arising independently of each other".
Explanation:
Evolution studies suggest that the legless condition observed in extant reptiles is the result of several instances of the legless condition arising independently of each other. The species that nowadays have the legless condition came from independent lineages such as scolecophidians, alethinophidians and legless lizards.
1. Right atrium
2. Aortic valve. Hope this helped :p
Answer: for because they the blank is like
Explanation: