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sladkih [1.3K]
3 years ago
15

Which of the following claims are based on scientific evidence? Red sky at night sailors' delight, red sky in morning sailors ta

ke warning. Touching toads gives you warts. It's safe to eat food dropped on the floor as long as you adhere to the 5-second rule. Chicken soup is good for the common cold.
Chemistry
1 answer:
vodomira [7]3 years ago
3 0
I would believe that the  answer to this question would be the "Touching toads gives you warts
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Which coefficient will balance the following equation ____ Ca + N2 → Ca3N2
MaRussiya [10]

Answer:

<u>B) 3</u>

Explanation:

3Ca+ N2 → Ca3N2

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What will be the formula and electron dot structure of cyclopentane?
ioda
Pentane consist of 5 carbon atom and have the shape of a pentagon...


one C atom is bonded to 2 other C atom and in addition 2 other H atom

so one C atom will be bonded to 4 other atom in total and hence sharing all its available electons
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3 years ago
A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘ C . How many grams of this gasoline would fill a 12.8 gal tan
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To answer this question, you need to know how to convert milliliters into liter then into a gallon. In this question, you are given the gasoline density (0.737g/ml) and the volume (12.8gallon). The information is enough to determine the gas weight. The calculation would be:

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6 0
4 years ago
List 5 things which we can make using each of the following materials​
AnnZ [28]

Answer:

Glass

1.microscopes

2.mirrors

3.glass shelves

4.wrist watch glass

5.magnifying glass

Metal

1.keys

2.automobile body parts

3.coins

4.window frames

5.screws and nails

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1.bottles

2.boxes

3.balls

4.carry bags

5.buckets and mugs

Wood

1.chairs

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4 0
3 years ago
8. The threats to biodiversity are except:
dezoksy [38]

Answer:

b

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7 0
3 years ago
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