Answer:
bio diesel
Explanation:
bio diesel is a recent development to supplement fossil fuels
This type of heat transfer is radiation since we can experience the heat from an object without being in contact with it. Energy is being emitted by electromagnetic waves or in moving subatomic particles. Radiation is a consequence of thermal agitation of the molecules.
A covalent bond is a bond between two non-metal atoms in which electrons are SHARED between the two bonded atoms. An example of this would be, the C-H bonds that are present in the molecule Methane (

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the reaction is HF + NaOH which leads to NaF
Answer:
Answer: ... When iron is exposed to the environmental condition it terribly reacts with water and air and ends up with iron rusting. Iron articles are therefore painted off so that iron can not react with water and air.
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