Answer:
Nitrogenous base, a Pentose sugar, and a Phosphate group.
It's safe to eat the fish there,” says Langley.So according to officials and experts, it is safe to eat that Mississippi River catfish.
Answer:
d.They are still very common ,but threatened with increasing harvesting for timber.
Explanation:
Brazil's Araucaria trees:
These trees are very soft and can be cut so easily.Brazilian pines is also know as Araucaria tree.
Before 1950's or 60's the number of trees were more but now due to harvesting the number of trees become less.The these trees are used for timber and for glue also.
In the present time the availability of these trees threatened with increasing harvesting for timber.
So the our option d is correct.
The answer to number four is A
