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balandron [24]
3 years ago
6

15. __________ psychoactive chemicals can be found in the plant that marijuana comes from.

Law
2 answers:
Ratling [72]3 years ago
8 0

Answer: C

Explanation:

gtnhenbr [62]3 years ago
3 0
The answer is C. Over 400
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A substantially different rate of selection resulting from hiring, promotion, and other employment decisions that work to the di
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<em>A substantially different rate of selection resulting from hiring, promotion, and other employment decisions that work to the disadvantage of members of a particular race, gender, or ethnic group is called adverse impact- (D).</em>

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3 years ago
What effect if any does the development of new areas of Science and Technology have on theories ​
bulgar [2K]

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Theories may be proven to be true and become hypotheses. After an investigation, Kuri determines that her hypothesis was wrong.

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If a security guard stops a teen suspected of shoplifting and searches the teen’s backpack and finds an illegal drug, what is th
klemol [59]

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The last one

Explanation:

4 0
3 years ago
Mikhail S. Tswett (1872-1919) realized that ________ was an efficient method for separating compounds.
Elza [17]

Answer:

Chromatography

Explanation:

Mikhail Semyonovich Tswett was a Russian-Italian botanist born on the 14th of May, 1872 in Asti, Italy and died on the 26th of June, 1919 in Voronezh, Russia. He is famously known for his invention of the separation technique called chromatography.

Chromatography was developed in 1903 by the Russian-Italian botanist Mikhail Semyonovich Tswett using a column of calcium carbonate to colourfully separate plant pigments extracted through the use of ether and alcohol, this separation technique is generally referred to as adsorption chromatography.

Hence, Mikhail S. Tswett (1872-1919) realized that chromatography was an efficient method for separating compounds without prior knowledge of the quantities and nature of the chemicals present in a mixture.

Mixture can be defined as a combination of two or more substances which are present in varied proportion and can be visibly seen by with our naked eyes.

In Science, there are two (2) main types of mixture and these are;

I. A homogeneous mixture: it can be defined as any liquid, solid or gaseous mixture which has an identical or uniform composition and properties throughout any given sample of the mixture. In Chemistry, all solutions are considered to be a homogeneous mixture. For example, aqueous hydrogen chloride is a homogeneous mixture of water and hydrogen chloride.

This ultimately implies that, in a homogeneous mixture, parts are uniformly (evenly) distributed.

II. A heterogenous mixture: it can be defined as any mixture which has a different or non-uniform composition and properties throughout any given sample of the mixture. This ultimately implies that, the constituents of a heterogenous mixture always remain separate in the sample and as such comprises of two or more phases.

For example, a mixture of sand and coffee is simply a heterogenous mixture and can easily be separated into their various components.

7 0
3 years ago
Read 2 more answers
Please Help! I will give brainliest! This is my last. If i don't do this soon, I will fail my class.
Akimi4 [234]

Answer:

The electoral college is working the way it is supposed to.

Explanation:

The president of the United States is the President of all the lands owned by the US, not the president of only the major cities. The Electoral College was created to balance out the population with the land. For example, if we take into account and allow the Democrats to get what they want (i.e., popular vote), it will lead to large segments of the population being cut off from the political realm. With the popular vote only, candidates will only reach out to large population areas, as they have the higher chances of receiving the message and to vote for them. In the end, the electoral college is in place to ensure that all groups of the US, no matter where they live, are reached out too. The Popular vote is not the way to go, and if the Democrats want to get rid of the Electoral College, they must put in a system that is better than it. Remember, the Electoral College, while it does has it's faults, solves a gruesome problem of keeping the president from being the president of the major cities, to being the president of the land.

~

8 0
2 years ago
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