Answer: Because the masks are able to block at least 95% of 0.3 micron particles.
Answer:
What has six faces and 21 eyes riddle Answer: Dice.
What has 13 hearts, but no other organs? A: A deck of playing cards.
What is it a child can make that no one can ever see? Answer: Noise.
The correct answer is Map.A map is a a diagram of an region of land or sea displaying physical features, cities, mountains, roads, etc.
The answer to the “what flies without wings” riddle is “time”.
What can speak without a mouth? The answer to the above riddle is, "An echo." An echo is a reflection of your own voice. Which is why an echo can 'speak without a mouth and hear without ears'. However, an echo is only heard when the wind conditions are optimal, so it 'comes alive with the wind'.
Explanation:
<span>The Nazis go to the synagogue on important Jewish holidays. They demand that they get a list of all Danish Jews. </span>
6 colors, red, orange, yellow, green, blue, purple
Answer:The most simple method for solving systems of equations is to transform one of the equations so it allows for the canceling out of a variable. In this case, we can multiply \display style 3x + y = 8 by to get . Then, we can add \display style 2x + 4y = 12 to this equation to yield , so .
Explanation:
