Question

Why is carbon so useful in molecules for living things?(1 point)
Responses

Many molecules in living things have millions of carbon atoms in them.
Many molecules in living things have millions of carbon atoms in them.

Carbon is produced in respiration, making it a readily available element.
Carbon is produced in respiration, making it a readily available element.

Carbon is produced in photosynthesis and carries the energy needed for life.
Carbon is produced in photosynthesis and carries the energy needed for life.

Carbon can form the backbone for millions of compounds found in living things.

Answer 1

Carbon can form strong and stable covalent bonds with other elements, allowing it to form the backbone for millions of different compounds found in living things. This versatility and ability to form complex molecules is why carbon is so useful in molecules for living things.

Answer 2

Why is carbon so useful in molecules for living things?(1 point)

A. Carbon is produced in respiration, making it a readily available element.

B. Carbon is produced in photosynthesis and carries the energy needed for life.

C. Carbon can form the backbone for millions of compounds found in living things.

D. Many molecules in living things have millions of carbon atoms in them.

Answer 3

C. Carbon can form the backbone for millions of compounds found in living things.

Answer 4

An element has six valence electrons. Which ionic charge will its ion carry?(1 point)
Responses

2–
2–

6+
6+

2+
2+

6–

Answer 5

2-