---
title: The Earth's air is about 78 percent nitrogen and 21 percent oxygen,… — The Earth as a planet · tree and pragmatics
description: The Earth's air is about 78 percent nitrogen and 21 percent oxygen, and the oxygen was made by living things such as tiny ocean microbes and plants. Who acts: air, living things. A sentence of the lesson «The Earth as a planet» of the space course of Mova's primary school with its dependency tree an
---

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# The Earth as a planet, sentence 12

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The Earth's air is about 78 percent nitrogen and 21 percent oxygen, and the oxygen was made by living things such as tiny ocean microbes and plants.

<!-- .vintro -->
**Who acts:** air, living things · **What happens:** be, make · **To what, where:** nitrogen, oxygen

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This is a sentence of the lesson «The Earth as a planet» of the space course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (air, living things), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:005-the-earth-as-a-planet.lesson:12
# text = The Earth's air is about 78 percent nitrogen and 21 percent oxygen, and the oxygen was made by living things such as tiny ocean microbes and plants.
# source = school lesson (ours)
# course = space
# lesson = 005-the-earth-as-a-planet.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Earth	Earth	PROPN	NNP	Number=Sing	4	nmod:poss	_	_
3	's	's	PART	POS	_	2	case	_	_
4	air	air	NOUN	NN	Number=Sing	9	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
6	about	about	ADV	RB	_	7	advmod	_	_
7	78	78	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
8	percent	percent	NOUN	NN	Number=Sing	9	obl	_	Agree=R7-rel-agree|Haiku=9:compound
9	nitrogen	nitrogen	NOUN	NN	Number=Sing	0	root	_	_
10	and	and	CCONJ	CC	_	13	cc	_	_
11	21	21	NUM	CD	NumForm=Digit|NumType=Card	12	nummod	_	_
12	percent	percent	NOUN	NN	Number=Sing	13	compound	_	_
13	oxygen	oxygen	NOUN	NN	Number=Sing	9	conj	_	_
14	,	,	PUNCT	,	_	19	punct	_	_
15	and	and	CCONJ	CC	_	19	cc	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	oxygen	oxygen	NOUN	NN	Number=Sing	19	nsubj:pass	_	_
18	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	19	aux:pass	_	_
19	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	conj	_	_
20	by	by	ADP	IN	_	22	case	_	_
21	living	living	ADJ	JJ	Degree=Pos	22	amod	_	_
22	things	thing	NOUN	NNS	Number=Plur	19	obl:agent	_	_
23	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	27	case	_	_
24	as	as	ADP	IN	_	23	fixed	_	_
25	tiny	tiny	ADJ	JJ	Degree=Pos	27	amod	_	_
26	ocean	ocean	NOUN	NN	Number=Sing	27	compound	_	_
27	microbes	microbe	NOUN	NNS	Number=Plur	22	nmod	_	_
28	and	and	CCONJ	CC	_	29	cc	_	_
29	plants	plant	NOUN	NNS	Number=Plur	27	conj	_	_
30	.	.	PUNCT	.	_	9	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | the Earth's air | nitrogen and percent oxygen |  |  |  | 78 percent *obl* | tree rules |
| 2 | **make** | past · passive | living things such tiny ocean microbes and plants | the oxygen |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset subject=Product |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:space:005-the-earth-as-a-planet.lesson:12`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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