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puteri [66]
3 years ago
6

A substance that enters into a chemical reaction is called a(n) _____.

Biology
1 answer:
Nastasia [14]3 years ago
5 0

Answer:

The substances that go into a chemical reaction are called the reactants, and the substances produced at the end of the reaction are known as the products.

hope it helps : )

please mark me brainliest

Explanation:

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Which of these statements correctly compares probeware (such as an electronic temperature probe) to traditional analog tools (su
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The answer is letter D. <span>Probeware is useful for obtaining many measurements in rapid succession.
</span>>Probewares are used to <span>collect precise data in real-time and analyze the results with powerful tools fuels. It is easy to use and also cost-effective.</span><span>

Choices to this question are:
A) Measurements by traditional analog tools are good to a larger number of significant figures.
B) Measurements by traditional analog tools are less prone to experimental error.
C)  Probeware is typically very difficult to transport.
D ) Probeware is useful for obtaining many measurements in rapid succession.


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3 years ago
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Which of the following are types of homogeneous mixtures? (Select all that apply)
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3 years ago
Reptiles are better suited to dry land than their amphibian ancestors because
Vaselesa [24]

Answer:

<u><em>All of the above.</em></u>

Explanation:

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2. Amphibians must lay eggs in water or in moist soil to reduce moisture loss: <em>Because amphibian eggs don't have an amnion, the eggs would dry out if they were laid on the land, so amphibians lay their eggs in water.</em>

3. Reptile egg shells are harder than amphibians' eggs: <em>Reptile eggs are coated with a leathery or brittle coating, and the animals that hatch from them are miniature versions of the full-sized animal parent. In contrast, amphibian eggs are transparent and jelly-like. The animals that hatch from them still must go through metamorphosis.</em>

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7 0
2 years ago
One end of the rope is vibrated to produce a wave with a wavelength of 0.25 m. The
evablogger [386]

Answer:

3) 0.75m/s

Explanation:

The wavelength of a wave is calculated using the formula;

λ = v/f

Where!

λ = wavelength of wave (m)

v = velocity or speed (m/s)

f = frequency of wave (Hz)

According to this question, one end of a rope is vibrated to produce a wave with a wavelength (λ) of 0.25 m and frequency (f) of 3.0 Hz.

Using λ = v/f

v = λ × f

v = 0.25 × 3

v = 0.75m/s.

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3 years ago
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