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UkoKoshka [18]
3 years ago
13

Are teens who lack sleep more prone to becoming overweight, using alcohol and drugs, and mental illnesses and suicideal

Biology
1 answer:
yan [13]3 years ago
7 0
Several studies of adolescents<span>, including one </span>with more<span> than 3,000 high school students, found that inadequate </span>sleep<span> is associated </span>with<span> higher levels of depressed mood, anxiety, behavior </span>problems,<span>alcohol use, and attempted suicide. </span>
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Identify the biotic limiting factor from the choices below.. a.space. b.vegetation. c.water. d.climate
Digiron [165]
Limiting factors are what controls the population of an ecosystem. It also limits the kind of organisms that inhabit it. Limiting factors can be abiotic or biotic. Abiotic factors are the nonliving factors that affect the living ones. From the given options above, the only biotic limiting factor is vegetation. The correct answer would be option B.
4 0
3 years ago
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Meiosis is necessary for sexual reproduction in eukaryotic organisms. Which of the following statements below regarding meiosis
meriva

Answer:

D. Meiosis forms four cells all with different genetic material

Explanation:

They are haploid cells and each cell only had one set of chromosomes. Meiosis results in variation.

7 0
3 years ago
Which diagram shows the Moon when it is least visible from Earth?<br> HELP!!!!
romanna [79]
The first one i think
6 0
3 years ago
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You are studying the amino acid sequence of a protein shared by four organisms. You want to know how 4 organisms are related to
Savatey [412]

The least related to organism A is Organism D.

<h3>What is amino acid?</h3>

Amino acid is an organic compound made up of amine, carboxylic group and an organic R group.

Amino acids are the primary building block of proteins.

There are 20 types of amino acids are present.

Amino acids are necessary for the growth of the body.

Thus, the correct option is organism D.

Learn more about amino acid

brainly.com/question/15823799

6 0
2 years ago
How many grams of the compound in the figure above are required to make 1 liter of a 0.5 M solution? (Note: The atomic masses, i
Dafna1 [17]

Answer:

This question is incomplete as there is no figure in the question but the compound in the figure is Ethanoic acid (CH3COOH). Hence, we can calculate the mass.

The answer is: 30grams

Explanation:

According to the question, the volume of the compound (CH3COOH) is 1litre while the molar concentration is 0.5M

Molarity or Molar concentration is calculated using the formula:

M= n/V

Where; M= Molarity (M) = 0.5M

n= number of moles (mol)

V= Volume (V) = 1L

Hence, number of moles (n) = M × V

n = 0.5 × 1

n = 0.5 moles.

To calculate the mass in grams of CH3COOH, we say;

Number of moles (n) × molar mass (MM)

Since atomic mass for (C= 12, H= 1 and O=16)

Molar mass of CH3COOH:

= 12 + 1(3) + 12 + 16 + 16 + 1

Molar mass of CH3COOH = 60g/mol

Mass (in grams) of CH3COOH = 0.5 moles × 60g/mol

Mass = 30grams.

Therefore, 30grams of CH3COOH compound are required to make 1 liter of a 0.5 M solution.

6 0
3 years ago
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