Biology Quiz Help? 10 Pts?

[Tolphas]

1. Which statement best explains why carbon is present in so many kinds of molecules? (Points : 1)
A. It is abundant on earth.
B. It can form four covalent bonds.
C. It has valence electrons.
D. It can become an ion.

2. Which term best describes the role carbon plays in the structure of compounds present in living things? (Points : 1)
A. a somewhat important role
B. a fundamental role
C. a minimal role

 

[Sugar]

1. B
This is because, carbon is the sixth most abundant molecule and has the ability to form four covalent bonds, lending it the properties needed to connect other molecules to form complex chains.

2. B
This is because, all living organisms contain carbon; the human body is about 18% carbon by weight.

 

[KUNAL]

1. B
2. B