Deep sea divers wear specially designed suits to protect themselves from deep sea creatures,

Why do the deep sea divers wear specially designed suits?

Plants protect themselves from fungi by producing

Prior to vaccination, people used to protect themselves from small pox through

Welders wear special goggles or face masks with glass windows to potect their eyes from electromagnetec radiations. Name the radiations and write the range of their frequency.

A welder wears special glasses to protect his eyes mostly from the harmful effect of (a) very intense visible light (b) infrared radiation

Welders wear special glass goggles or facemask with glass window to protect their eyes from

Red algae are able to grow deep in sea as

The metal that is extracted from sea water is

Salt is separated from sea water by

Bacteria protect themselves from viruses by fragmenting viral DNA with