hmm I would debate a bit and if they were wrong then I'd correct them otherwise it's just a weird fact
Down;s syndrome is also known as trisomy 21 because it is caused by an additional copy of chromosome 21. The correct answer is the third one: 21st.
Answer:
The correct answer is d.non-vascular plants with a dominant gametophyte.
Explanation:
Bryophytes are non-vascular plants that present a reduced and not constantly present sporophyte, also their gametophyte is very dominant and is, basically, the whole structure. Their sporophyte only grows when they're reproducing and they disappear when the spores are spread.
Answer:
If the newly formed metamorphic rock continues to heat, it can eventually melt and become molten (magma). When the molten rock cools it forms an igneous rock. Metamorphic rocks can form from either sedimentary or igneous rocks.
Explanation: