Answer:
2. It is made of sandstone which is very porous and is easily penetrated by rainwater
Explanation:
The White House is made of gray-colored sandstone that is brought from quarry in Aquia, Virginia. The north and south porticos of white house building are constructed with red Seneca sandstone brought from Maryland. These sandstones are porous in which rainwater is easily penetrated in it that cause damage to the white house building so it is concluded that the building is made of porous sandstone.
It helps with the optic nerve, if you give me options i can help answer. Sorry if I didnt help :)
1) plants
2) sugar
3) all
4) sugar and oxygen
5) not putting fertilizer on the soil
6) glucose
No the myelin covers bits of the cell