Answer:
a substrate control is an uncontaminated sample
Explanation:
it allows forensic scientiststo compare the two samples to better observe whether a flammable liquid is present
Answer:
12 miles
Explanation:
Two triangles are similar if their two corresponding angles are congruent (equal) to each other.
if their two corresponding angles are of equal this also means that the third angle is also equal and corresponding.
ΔABC ∼ ΔEDC (two corresponding angles are congruent)
Therefore to find the sides, we use the following proportions:

BC = x miles, CD = 6 miles. Therefore BD = BC + CD = (6 + x) miles
DE = 8 miles, AB = 12 miles
Therefore:

Answer:
D.
Explanation:
Which of the following is an example of nationalism?
Option choices:
A. a leader calls on his country's allies to protect his country from a threat posed by another country.
B. under an alliance, one country promises to defend another country from an attack by a third.
C. one country declares war on another country after that country attacks the first country's ally.
D. an activist organizes a protest of ethnic minorities in a country to demand that they be given their own country.
brainly.com/question/3853496
Answer:
Answer: Most bills will have an effective date noted in the text of the bill. If an effective date is not noted, however, and if the bill passed by a two-thirds majority, then the bill takes effect immediately. If the bill does not pass by a two-thirds majority, then the bill becomes effective 90 days after adjournment.
Explanation: