<span>9. If you move a substance from one container to another and its volume changes, the substance is a gas. This is because, gases do not have fixed volume and shape; their shape and volume depend on the container used. 10. For most part, you can ignore the forces of attraction among the particles of gases. This is because, the forces of attraction among them is negligible. 11. Factors that affect the pressure of an enclosed gas include: temprature, volume and number of particles. Thus, the correct option is D. All these factors works together to determine the pressure of an enclosed gas. </span>
A. Plowing across hill slopes. :)
<span>In the particular
order from
top to bottom , the answers are;</span>
<span>Genetic drift</span>
Gene flow
<span>Natural Selection </span>
<span>Gene flow occurs
during migration where alleles from one population
are introduced to another population hence increasing the population diversity. </span>
Genetic<span> drift occurs when the allelic frequency of a population changes due factors such as calamities and emigration or natural selection.</span>
<span>Natural selection is the force of ‘survival for the
fittest’ that is applied differentially on the population
by nature. </span>
Answer:
Carbon atoms in ethanol become part of carbon dioxide molecules.
Explanation:
Hope this helps :)