Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| RESOURCE for organisms |  | RESOURCE TYPE | RESOURCE SOURCE |  | DIRECT OR INDIRECT? |  | ORGANISM CLASS |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| sunlight | is | light energy | from the Sun | that is | directly | required by | plants | to survive |
| sunlight | is | light energy | from the Sun | that is | indirectly | required by | all living things | to survive |
| water | is | matter | available on Earth | that is | directly | required by | all living things | to survive |
| air | is | matter | available on Earth | that is | indirectly | required by | all living things | to survive |
| air | is | matter | available on Earth | that is | directly | required by | animals | to survive |
| air | is | matter | available on Earth | that is | directly | required by | plants | to survive |
| food | is | matter | created using water, air, and sunlight | that is | directly | required by | animals | to survive |
| food | is | chemical energy | created using water, air, and sunlight | that is | directly | required by | animals | to survive |
| habitat | is | an environment | on Earth | that is | directly | required by | animals | to survive |
Question:
Which of the following is matter available on Earth that is indirectly required by all living things to survive? Select the correct choice to answer the question or fill in the blank.
Choices:
(A) Air
(B) Sunlight
(C) Food
(D) Heat
Answer:
(A) Air