A. Burning natural gas
A liquid changing to gas is called boiling or evaporation.A gas change into a solid is called deposition and a gas changing into a liquid is called condensation.half of these are endothermic, meaning they absorb heat from their surroundings.the others are exothermic,meaning they release heat. Hope this helps
Answer: The organic molecules required for building cellular material and tissues must come from food. Carbohydrates or sugars are the primary source of organic carbons in the animal body. During digestion, digestible carbohydrates are ultimately broken down into glucose and used to provide energy through metabolic pathways.
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But what is the question are you like not sure about it or what
Answer:
(1) All living things are made up of cells, (2) Cells are the smallest units (or most basic building blocks) of life, and (3) All cells come from preexisting cells through the process of cell division.