Questions

If it loses an electron it becomes a positive ion

Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere. These plates which float on and travel independently over the mantle and much of the earth's seismic activity occurs at the boundaries of these plates.

The seven major plates are the African plate, Antarctic plate, Eurasian plate, Indo-Australian plate, North American plate, Pacific plate and South American plate.

Volcanoes usually form along plate boundaries , where tectonic plates are either moving towards or away from one another. They may be convergent or divergent.

The correct order of evolutionary history from the above given options is jellyfish, reptiles, mammals.

Most of the Vitamin K is synthesized by intestinal bacteria in the large intestine.

The price elasticity of supply measures how the responsiveness of the quantity demanded of a commodity to changes it its prices; defined as the percentage change in quantity demanded divided by the percentage change in price.