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sergejj [24]
3 years ago
7

What Is a combination of substances that are combined physically but not chemically

Chemistry
2 answers:
adoni [48]3 years ago
7 0
It is a heterogenous mixture
castortr0y [4]3 years ago
7 0

It's called an heterogeneous mixture :)
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SO 3 is a__<br> metal<br> molecule<br> element<br> ioninc compound
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This increase in blood pHpH due to hyperventilation disrupts O2O2 transport by causing the deprotonation of various residues of
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The question is incomplete as it does not have the options which has been provided in the attachment.

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1. sudden decrease

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This decrease can cause fainting and death of the individual due to the malfunctioning of the body parts, especially the brain.

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Therefore the selected options are correct.

8 0
3 years ago
Which statements describe an element? Check all that apply.
Molodets [167]

Answer:

<em>Hello, Your answer will be B,C,E, And F.</em>

Explanation:

An element is a substance whose atoms have same number of protons which means all atoms in an element have same atomic number. Elements are simplest substances which cannot be broken down by physical changes or chemical reactions. Elements are classified by their names and symbols. Hope That Helps!

8 0
3 years ago
Which statement is true about air temperature and humidity
lapo4ka [179]

Complete Question:

Which statement is true about air temperature and humidity?

Group of answer choices.

a. the air temperature does not affect how much moisture the air can hold

b. hotter air holds less moisture than colder air.

c. hot air and cold air share the same amount of moist.

d. colder air holds less moisture than hotter air.

Answer:

d. colder air holds less moisture than hotter air

Explanation:

Weather can be defined as the atmospheric conditions of a particular area over a short period of time.

The elements of weather include precipitation, wind, temperature, atmospheric pressure, relative humidity, cloud, and wind speed.

Temperature can be defined as a measure of the degree of coldness or hotness of a physical object (body).

On the other hand, humidity refers to the concentration (amount) of water vapor that is present in the air. It is high when there's a lot of water vapor in the air and low when the level of water vapor is small.

Hence, the true statement about air temperature and humidity is that colder air holds less moisture than hotter air because as the air cools, its molecules move closer together while the molecules move farther apart as the air become hot.

Additionally, at constant humidity, relative humidity is inversely proportional to temperature i.e as the temperature decreases, relative humidity increases.

6 0
3 years ago
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