It means the substance can't mix or dissolve in water. This is because the molecules don't attract to eachother. Oil won't mix with water because it is non polar.
If the shape of this unknown skull is long and skinny at the cheekbones, then it is most likely an Australopithecus afarensis one
<span> </span>A high metabolic
rate means that the cells in the tissue will needs a high rate of gas exchange
as the cells will be producing a high amount of CO2 during production of energy. The dense network of capillaries ensure that
the cells are adequately provided with oxygen.
Answer:
This is known as Population.
Explanation:
A population is made up of organisms of the same kind living together in the same habitat. Characteristics of a population include the population size, frequency, density, percentage cover and distribution.
Factors that dominantly affect a population comes up especially in size and distribution. These factors include; migration of organisms to other habitats, invasion or colonization by new species, increase or decrease in birth and death rates etc
