Vegetation reproduction <span />
Answer:
Synthesis
Explanation:
A synthesis chemical reaction is where two simpler substances form together to create a more complex product.
The reactants can be either a single element or a compound, but the product is always a compound.
Since Mg and O2 reacted to create MgO, a compound, this represents a synthesis reaction.
<span>Endospore is a protective structure that can
able to survive for long periods of time in soil and water in which they commonly
found. They are tough, dormant and non-reproductive structure which can
withstand heat, dryness, and toxic chemicals that would kill most other
bacteria produced by a small number of bacteria like the bacterium Bacillus
thuringiensis from the Firmicute family. To ensure the survival of a bacterium
through periods of environmental stress is the primary function of most
endospores. They are also resilient to gamma and ultraviolet radiation, chemical
disinfectants, desiccation, starvation, lysozyme and temperature and can survive any environmental assaults.</span>
Oil floats on water so it is has less density than water.
Answer:
The correct answer is "Muscles of facial expression".
Explanation:
The muscles of facial expression belong to the skull and often are attached to the skin. This is particularly true for the muscles of the cheeks, allowing to open the oral cavity. The muscles of the cheeks are inserted into the skin and the mucous membranes of the lips, allowing for the changes of facial expressions that comes from emotions.