Mae Parc Cenedlaethol Eryri wedi cadarnhau bod llygredd sylweddol o ficro-plastigion wedi ei ddarganfod ar gopa'r Wyddfa.
1	Mae	bod	VERB	verb	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
2	Parc	parc	NOUN	noun	Gender=Fem|Number=Sing	1	nsubj	_	_
3	Cenedlaethol	cenedlaethol	ADJ	pos	Degree=Pos	2	amod	_	_
4	Eryri	Eryri	PROPN	place	Gender=Masc|Number=Sing	2	flat	_	_
5	wedi	wedi	AUX	ante	_	6	aux	_	_
6	cadarnhau	cadarnhau	NOUN	verbnoun	Number=Sing|VerbForm=Vnoun	1	xcomp	_	_
7	bod	bod	NOUN	verbnoun	Number=Sing|VerbForm=Vnoun	6	ccomp	_	_
8	llygredd	llygredd	NOUN	noun	Gender=Masc|Number=Sing	7	nsubj	_	_
9	sylweddol	sylweddol	ADJ	pos	Degree=Pos	8	amod	_	_
10	o	o	ADP	prep	_	11	case	_	_
11	ficro-plastigion	micro-plastigion	NOUN	noun	Gender=Masc|Mutation=SM|Number=Plur	8	nmod	_	_
12	wedi	wedi	AUX	ante	_	14	aux	_	_
13	ei	ef	PRON	dep	Gender=Masc|Number=Sing|Person=3|PronType=Prs	14	obj	_	_
14	ddarganfod	darganfod	NOUN	verbnoun	Mutation=SM|Number=Sing|VerbForm=Vnoun	7	xcomp	_	_
15	ar	ar	ADP	prep	_	16	case	_	_
16	gopa	copa	NOUN	noun	Gender=Masc|Mutation=SM|Number=Sing	14	obl	_	SpaceAfter=No
17	'r	y	DET	art	_	18	det	_	_
18	Wyddfa	Wyddfa	PROPN	place	Gender=Fem|Number=Sing	16	nmod	_	SpaceAfter=No
19	.	.	PUNCT	punct	_	1	punct	_	SpacesAfter=\n
