Please, observe that it is not right to say that a substance content heat.
Heat is not something that a body or substance content. Heat is the transmission of energy due to difference of temperatures.
An endothermic reactions is that where the reactants abosorb energy from the surroundings to occur. The products, then, will be higher in energy than the reactants while the surroundings get colder.
An Insulator.
Insulators prevent flow of electric current. Example is wood, clay.
Answer:
I think It's C
Explanation:
due to higher waves can get easy transfers and receive those signals for most things, such as radios, TVs, phone signals etc etc
Answer:
the utencils of a plant is called photosynthesis and your wc
It would repel some of the negatively charged electrons of the wall so the answer would be C. The wall and the ballon repel each other