Answer:
the 2nd and 4th
Explanation:
they contain more than one molecule due to them being different elements
B) One swims freely and the other often lives attached to a hard surface.
Answer:
Iceland, and states like Washington DC.
, South Dakota, Connecticut, Idaho, New Hampshire, Delaware, North Dakota, Illinois.
Explanation:
Iceland is one of the only places where people live without insects.
The reason why Iceland does not have mosquitos or other insects is its oceanic climate that keeps them away.
The insects freeze 3 times a year, which makes their survival in Iceland impossible.
The other states are not completely insect-free, however, their number is so small that is considered as like they don't exist.
The answer that fits the blank is NUCLEARIID. Nucleariids are particularly an amoeba group which is commonly seen in freshwater and soils and these are known to be the closest ancestor of fungi. This group falls in the eukaryota domain. One of the prominent features of nucleariid is their threadlike pseudopodia.