Answer:
correct option is B. Primer residue
Explanation:
correct answer is Primer residue because primer residue are form from the ignition of the chemicals in primer when the firearm is discharge
and the result in formation of microscopic particle that is blown out of various opening in weapon when this weapon is discharge
and this primer residue is deposit on hand as firing weapon and hand weapon
but in the absence of primer residue on hand it is consistent with individual not have fire
so correct option is B. Primer residue
Answer:
b. exhibiting a keen interest and enthusiasm for the subject
Explanation:
By exhibiting a keen interest and enthusiasm in the subject, she gains acceptance from the audience and along the line they will find her credible, hence she can achieve her goal.
Answer:
Directional selection
Explanation:
Directional selection is a mode of natural selection in which <u>a phenotype is favoured among other phenotypes </u>and therefore the population with the phenotype favoured increases over time to optimize their chances of survival.
This selection usually <u>requires a force in nature that causes a population to evolve towards one end of a trait spectrum.</u>
In this example, dark-colored moths are selected by predators because they stand out to predators against the light-colored foliage. Therefore, <u>this force in nature causes moths to change their phenotype and it shifts away from the dark-colored phenotype in order to increase their chances of survival so that predators do not predate them as easily because they won't stand out against the light-colored foliage. </u>
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Thus this is an example of directional selection.
The silk road was one of the only ways to get goods from other countries in that time period. People traded food, spices, skills, etc. With the trade, countries could try new cultures leading to the spread of cultures.
