Which longitude line runs through greenwich england? a. equator b. tropic of cancer c. tropic of capricorn d. prime meridian

Its D. The Prime meridian

Option (D)

Explanation:

Greenwich, England is the place from which the prime meridian is passing through. This is the place which contains the longitude 0° and passes through it in the north and south pole. This prime meridian line divides the earth into two hemisphere, namely the Eastern hemisphere as well the Western hemisphere. From this line, the distance is measured travelling in the eastern or the western direction.

Thus, this prime meridian line is considered to be the reference line from which measurements are being made on both the eastern as well as western hemisphere.

Hence, the correct answer is option (D)

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.

thats how its supposed to be