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podryga [215]
2 years ago
12

Everything in the world is made of matter except you?? TrueFalse

Chemistry
1 answer:
katen-ka-za [31]2 years ago
8 0

Answer:

False.

Explanation:

Humans are made of matter too :)

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Which choice describes a population? A. all the gray squirrels that live in a forest B. a nonliving factor in an organism's envi
goldenfox [79]
I believe D. because all the organisms that live in a lake can be a bunch of living things that would be considered a population and not a species. I canceled out B. from the get go because, I don’t believe non living organisms can be in a population ?

Please get back to me if I’m right or wrong :)
5 0
3 years ago
Which fire symbol signifies ammunition with a mass explosion?
marissa [1.9K]

The answer is Fire symbol 1  

That is Fire symbol 1, signifies ammunition with a mass explosion.

The symbol can be seen in the image attached.

This symbol includes these :

1. Do not use fire fighting unless rescue attempt is planned.

2. If person's safety is in danger, use cover.

This fire symbol 1 signifies ammunition with a mass explosion.


4 0
3 years ago
If the temperature of a gas is increased from 20°C to 35°C, what is the new pressure if the original pressure was 1.2 atm? Assum
Marta_Voda [28]

Answer:

B.) 1.3 atm

Explanation:

To find the new pressure, you need to use Gay-Lussac's Law:

P₁ / T₁ = P₂ / T₂

In this equation, "P₁" and "T₁" represent the initial pressure and temperature. "P₂" and "T₂" represent the final pressure and temperature. After converting the temperatures from Celsius to Kelvin, you can plug the given values into the equation and simplify to find P₂.

P₁ = 1.2 atm                                    P₂ = ? atm

T₁ = 20 °C + 273 = 293 K              T₂ = 35 °C + 273 = 308 K

P₁ / T₁ = P₂ / T₂                                             <----- Gay-Lussac's Law

(1.2 atm) / (293 K) = P₂ / (308 K)                  <----- Insert values

0.0041 = P₂ / (308 K)                                   <----- Simplify left side

1.3 = P₂                                                         <----- Multiply both sides by 308

3 0
1 year ago
A sound wave has a wavelength of 0.7 miles and a frequency of 500 Hertz what is the speed
yaroslaw [1]

speed equals wavelength times frequency so

.7 x 500 = 350

4 0
3 years ago
For a colligative property such as freezing point depression, :________
neonofarm [45]
A possible answer is b
5 0
3 years ago
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