Lightning rod and bifocal spectacles were invented by?

Ethiopia suffered a devastating famine during 1983–1985 due to drought, conflict, and economic problems. Millions were affected, and the crisis drew global humanitarian attention and international relief efforts.

The Uch Gas Field is located in Balochistan, Pakistan. It is an important natural gas resource that contributes significantly to the country’s energy production and supports industrial and domestic energy needs.

Producers such as green plants absorb usable nitrogen compounds from the soil, including ammonia (NH₃) and nitrates. Nitrogen is essential for making proteins, chlorophyll, and nucleic acids necessary for plant growth and ecosystem balance.

After fertilization, the ovary of a flower develops into a fruit while the ovules become seeds. The fruit protects the seeds and often helps in their dispersal through animals, wind, or water.

A PROM burner is a hardware device used to write or program data onto Programmable Read-Only Memory (PROM) chips. These tools are commonly used in electronics, embedded systems, and firmware development.