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Oliga [24]
3 years ago
14

Which air pollutant contributes to asthma?

Chemistry
1 answer:
Mnenie [13.5K]3 years ago
8 0
The correct answer is the second option. Particulate matter is the air pollutant known to affect people with asthma. It also can cause other illnesses like cough, chest discomfort and a burning sensation in the lungs.
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The pitcher plant and the Venus flytrap are examples of plants that:
Lina20 [59]

Answer:

The pitcher plant and the Venus flytrap are examples of plants that are carnivorous. Plants produce food and oxygen during photosynthesis.

Explanation:

8 0
3 years ago
Can car oil degrade carbon fiber?​
KonstantinChe [14]
Yes, car oil can degrade carbon fiber
4 0
3 years ago
Among the following, which atom is most likely to form an ion with a charge of 2+?
Zigmanuir [339]

Answer:

C. Ca.

Explanation:

The atom loses or gains electrons forming anion or cation to reach stability (fill the outermost shell of the electron levels).

When atom gains electrons forms anions with negative charge.

While, when atom loses electrons forms cations with positive charge.

A. O:

O atom has 8 electrons in its nucleus and gains 2 electrons to reach stability (10 electrons, configuration of Ne).

<em>So, it forms O²⁻.</em>

<em></em>

B. AI:

Al atom has 13 electrons in its nucleus and loses 3 electrons to reach stability (10 electrons, configuration of Ne).

<em>So, it forms Al³⁺.</em>

<em></em>

C. Ca:

Ca atom has 12 electrons in its nucleus and loses 2 electrons to reach stability (10 electrons, configuration of Ne).

<em>So, it forms Ca²⁺.</em>

<em></em>

D. Na:

Na atom has 11 electrons in its nucleus and loses 1 electron to reach stability (10 electrons, configuration of Ne).

<em>So, it forms Na⁺.</em>

<em></em>

5 0
3 years ago
If a rock is thrown 0.8 meters into the air, How fast was it thrown
sergiy2304 [10]
V=0 m/s, u=?, a = 9.8 m/s² and s = 0.8 m
u²=2×9.8×0.8=15.68
<span>u=3.959 ≈ 3.96 m/s

</span>
3 0
3 years ago
Read 2 more answers
At a certain temperature and pressure, 1 L of CO2 gas weighs 1.55 g. What is the mass of 1 L of N2 gas at the same temperature a
Karolina [17]

Answer:Set up a proportion os V1/n1 = V2/n2. V is the volume, n is the amount in MOLES, not grams. Convert the CO_2 to moles, then solve and find that the amount of N_2 should be the same amount of moles. Then use the molar mass of N_2 (28.02 grams/mole) to convert that amount of moles into grams. That's your answer.

Explanation:

3 0
2 years ago
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