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Brums [2.3K]
3 years ago
11

Oil and water can form a colloid if treated with an emulsifying agent, such as a detergent. Can the

Biology
1 answer:
slega [8]3 years ago
6 0
The detergent can be a help to remove the oil
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In your own words, describe why an astronaut's weight is different on the moon than it is on Earth.
Anna35 [415]
Our weight on moon is less than it would be on Earth due to a difference of the strength of gravity on the moon. The moon's gravitation force is determined by the mass and the size of the moon. ... This means that if you went to the moon you would weigh less, even though your mass stays the same
5 0
3 years ago
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Rest intervals between sets for hypertrophy training when using 70%-80% of 1rm should be _____ to optimize the anabolic hormone
telo118 [61]
The answer that best completes the statement above is 30-60 seconds. This is the rest interval needed in between sets for hypertrophy training. The purpose of this rest interval is to optimize the anabolic hormone response. So basically, this hypertrophy training aims in growing the muscles faster with great efficacy. 
4 0
3 years ago
True or false. Is sympatric speciation, a physical barrier arises and separates two populations l, ending flow between them
timofeeve [1]
<h3><u>Answer;</u></h3>

The above statement is <u>False </u>

<h3><u>Explanation;</u></h3>
  • Speciation is an evolutionary process in which new species arise. There are three types of speciation, namely; sympatric, parapatric and allopatric speciation.
  • <em><u>Sympatric speciation is a pattern in which speciation occurs in the absence of a physical barrier to gene flow; ex. polyploidy arising in flowers.</u></em>
  • In an Allopatric speciation on the other hand, a physical barrier arises and separates two populations, ending gene flow between them and allowing reproductive isolating mechanisms to evolve so that later if the two groups come back into contact they will no longer be able to reproduce together, therefore making them different species.
7 0
3 years ago
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When a sound is moving toward the observer the observer will hear a higher pitch. This is due to
kirza4 [7]

The answer is The Doppler Effect.  It is named after the Austrian physicist Christian Doppler, who described the phenomenon in 1842.

5 0
3 years ago
I need two examples of things that apply to both relative and absolute dating
matrenka [14]
Relative dating concerns the dating of fossils by using stratum (layers in the rock) to find the estimated age.

Absolute dating is finding the age of a fossil by using radiometric methods, such as fluorine dating or half-life dating; which is more accurate than relative dating.
6 0
3 years ago
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