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4 years ago

Mixture are the same throughout

2 answers:

6 0

A homogenous mixture is a mixture with the same proportions or components throughout! (:
Good luck, Rockstar! I wish you the best, and you pass!
I hope this is what you were looking for, you question was a tad unclear! (:

Alex787 [66]4 years ago

4 0

Changes. :) I think... Whats your question
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Which characteristics belong to Whittaker’s classification system? Select two options.

Lana71 [14]

Answer:

Five kingdoms & Seven levels

Explanation:

Robert H. Whittaker proposed five kingdom classical system for living organisms in 1969. These were: Kingdom Monera, Kingdom Protista, Kingdom Fungi, Kingdom Animalia, and Kingdom Plantae. His work was the improvement of earlier work conducted by Carl Linnaeus who proposed three kingdom classification system (Animalia, Plantae, and Protista).

Whittaker's system further categorized each kingdom to seven levels. These were: Kingdom → Phylum → Class → Order → Family → Genus → Species. This categorization was based on similarities in organisms at different levels.

PS: The scientific name of each organism is the combination of genus and family name.

4 0

3 years ago

Read 2 more answers

Diagnostic ultrasound of frequency 4.50 MHz is used to examine tumors in soft tissue. (a) What is the wavelength in air of such

mafiozo [28]

(a) $7.62 \times 10^{-5} m$ is the wavelength in air of such a sound wave.

(b) $3.33 \times 10^{-4}\ m$ is the wavelength of this wave in tissue.

<u>Explanation:</u>

Frequency and wavelength can be related by the equation,

Velocity = Wavelength x Frequency

$v=\lambda \times f$

where,

v - velocity of light for all EM (electromagnetic) waves in vacuum

Given:

f - 4.50 MHz = $4.50 \times 10^{6} \mathrm{Hz}$

a) To find the wavelength in air

We know,

Speed of sound in air = 343 m/s

Apply given frequency and speed of sound in air, we get

$\lambda=\frac{v}{f}=\frac{343}{4.5 \times 10^{6}}=76.2 \times 10^{-6}=7.62 \times 10^{-5}\ \mathrm{m}$

b) If the speed of sound in tissue is 1500 m/s, find the wavelength of this wave in tissue

Speed of sound in tissue, v = 1500 m/s

$\lambda=\frac{v}{f}=\frac{1500}{4.5 \times 10^{6}}=333.33 \times 10^{-6}=3.33 \times 10^{-4} \mathrm{m}$

4 0

3 years ago

Suppose we replace both hover pucks with pucks that are the same size as the originals but twice as massive. otherwise, we keep

kvv77 [185]

This pair of pucks will rotate at the same rate.

Further Explanation:

Hover Puck:

The Hover Puck coasts effectively on a self-produced pad of air until followed up on by an outside power.

Employments of hover puck:

The Hover Puck coasts effectively on a self-produced pad of air until followed up on by an outside power.

• Use one Hover Puck to show themes from Newton's First Law to impacts to reflection.

• Use at least two pucks to examine the protection laws in two measurements.

• Set up a bowling alley utilizing plastic beverage bottles.

Innovation of hover puck:

The First Rubber Hockey Pucks Were Made From Sliced-Up Lacrosse Balls. At the point when the game moved inside, entire balls were initially utilized, yet arena proprietors before long thought that it was desirable over cut them into thirds and keep the center segment. This fundamental plan was the standard by 1885.

hockey puck was developed:

The hockey puck appeared in 1875. It's hazy who really imagined it. Specialists accept the main hockey puck was likely only an elastic ball cut down the middle. This gave players an article with a level side that would slide over the ice.

Subject: physics

Level: High School

Keywords: Hover Puck, Employments of hover puck, Innovation of hover puck, hockey puck was developed.

Related links:

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brainly.com/question/727976

brainly.com/question/6953278

5 0

4 years ago

Read 2 more answers

Water boiling<br><br> Which one is shown? (Look at pic)

Mkey [24]