Question

PLEASE ANSWER THEM ALL .
THESE ARE OF CLASS 8TH.
I WILL MARK BEST ANSWER AS BRAINLIST .​

Answer 1

Answer:

1. make a piece of electrical equipment safer by connecting it to the ground with a wire

Explanation:

2.When magnesium reacts with oxygen, it produces light bright enough to blind you temporarily. Magnesium burns so bright because the reaction releases a lot of heat. As a result of this exothermic reaction, magnesium gives two electrons to oxygen, forming powdery magnesium oxide (MgO).

3. The breeding, rearing, and transplantation of fish by artificial means is called pisciculture, in other words, fish farming. It is the principal form of aquaculture, while other methods may fall under mariculture. It involves raising fish commercially in tanks or enclosures, usually for food. 4. Emasculation is the removal of both the penis and the testicles, the external male sex organs. It differs from castration, which is the removal of the testicles only, although the terms are sometimes used interchangeably. 5. it is not answer. 6.substance, for example oil, that makes the parts of a machine work easily and smoothly. 7.Lubrication reduces the heat generated when two surfaces are in motion. It smoothes the process by forming a film between two surfaces that reduces friction and thus improves performance and efficiency. There are different variety of lubricants and oils available such as Engine Oil, Hydraulic Oil, and Greases.. 8.Rabi crops or rabi harvest are agricultural crops that are sown in winter and harvested in the spring in India, Pakistan and Bangladesh. The opposite of the rabi crop is the kharif crop which is grown after the rabi and zaid crops are harvested one after another respectively. please make a brainliest answer.