You are a forensic scientist working at a crime scene outside along a fairly busy road. It is late at night and it is beginning to rain. You must finish what you are working on before the rain ruins the evidence. Because it is dark, you are afraid you will be hit by a passing car and decide to set up flares to divert traffic around the area. The labels on the flares have been partially torn and you cannot read which ones will burn when wet, so you look at the ingredient label on each one for a clue. Which flare should you use?
A. Flare 3 contains potassium (K).
B. Flare 4 contains sulfur (S).
C. Flare 2 contains zinc (Zn).
D. Flare 1 contains magnesium (Mg).
Answers: 2
Chemistry, 22.06.2019 04:00
How do scientists think that gravity affected the formation of our solar system?
Answers: 1
Chemistry, 22.06.2019 19:00
Imagine that a new planet is discovered with two moons of equal mass: moon a and moon b. the mass of the new planet is greater than the combined mass of its moons. moon a is farther away from the new planet than moon b. what is the planet's gravitational pull on moon a compared to the planet's gravitational pull on moon b? the planet's gravity repels moon a with a greater force than it repels moon b, which is why moon a is farther away. the gravitational pull on moon b is greater than on moon a because moon b is closer to the new planet than moon a. the gravitational pull on moon b is greater than on moon a because moon b is farther away from the new planet than moon a. the gravitational pull on moon a is the same as the gravitational pull on moon b because distance does not affect the planet's gravity.
Answers: 1
You are a forensic scientist working at a crime scene outside along a fairly busy road. It is late a...
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