Question

Define – Communicable diseases , weedicides , malleability , ductility​

Answer 1

Explanation:

Communicable diseases:

A communicable disease is one that is spread from one person to another through a variety of ways that include: contact with blood and bodily fluids; breathing in an airborne virus; or by being bitten by an insect.

Weedicides:

Weedicides are the chemicals which are sprayed over field to get rid of weeds. They will not show any effect on crop plants. Two popularly used weedicides are 2,4-D Ethyl ester, Neem extract, Glyphosate etc.

Malleability:

Malleability is a property of a material by which it can be beaten to form thin sheets. Most metals are malleable. Examples of malleable metals are zinc, iron, aluminum, copper, gold, and silver.

Ductility:

The property of metal by which metals can be drawn into wires.

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