Carbon is an organic element found in all life forms. Which of the following occurs through the process of
breaking down carbon-based molecules?
A. Water molecules are transferred through the body.
B. Elimination of waste products occurs.
C. Energy needed for life functions is released.
D. Absorbing of oxygen through pores occurs.

Answer:

C is the Answer.

Explanation:

Carbon is an organic element which when broken down will release energy within an organism.  

Process of elimination

A: Wrong because Water has nothing to do with carbon being broken down.

B: Wrong because when carbon is broken down no waste products are being eliminated.

C: Right because Energy is released when Carbon is broken down

D: Wrong because Carbon being broken down has nothing to do with oxygen being absorbed.

Please help this is a 7th grade science problem

5. If Laura rides her bicycle down a straight road for 500 m, then turns around and rides back to where she
started, her distance is
her displacement?
a. greater than
c. the same as
b. less than
d. can't determine

The table shows data about abiotic factors of streams in two different watersheds.
In general, a stream with a lower temperature and more neutral pH tends to be healthier. Based on these
criteria, which watershed contains the healthier stream?
Select one:

Watershed 2

Both streams are equally healthy.

There is not enough data provided to answer the question.

Watershed 1