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Oliga [24]
2 years ago
6

Question 1 (5 points)

Biology
1 answer:
motikmotik2 years ago
3 0

B) The water molecules remain together. The salt molecules break apart.

Step-by-step explanation:

When the salt is being place upon the water, the sodium in salt becomes attracted to the water molecules. Both H20(water) & NaCI (salt) start to become drawn, during this reaction. This causes water to remain together, while the salt is broken apart and dissolves. Hope this helps!

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Twenty-three is the haploid number of chromosomes in humans. True or False?
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True. A human haploid cell contains contain only one complete set of chromosomes (23). Meanwhile, a diploid cell has 2 set of chromosomes from the parents, thus containing 46 chromosomes. 
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GATTACAATCGT transcribed into mRNA
777dan777 [17]

Answer:

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Explanation:

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Which location has the most earthquakes, hurricanes, and volcanic activity?
Misha Larkins [42]

Answer:

ring of fire wala option

8 0
3 years ago
Need help here plss
levacccp [35]

Answer:

1) B

2) A

3) C

4) C

5) A

6) D

7) A

8) B

9) B

10) A

11) B

12) C

Explanation:

1) This shows that the rock occupies space as what we are looking at here is volume. (The displacement of water) Let's look at each of the options. It doesn't show that matter has mass because there is no mass balance or any equipment to show the heaviness of the rock. The state of matter (options C and D) is not shown here as any matter, which occupies space, when poured or added to an already filled glass will cause the water to spill. Option C says that matter is a solid, which is false as there are many different states of matter, such as solid, liquid and gaseous state. While a rock is a solid, the statement that matters are solid is false.

3) The term space is not commonly used in the study of science, we usually call it volume. This is because 'space' is quite a vague word as it could mean atmospheric space. More precisely, volume is the amount (or measure) of space a matter occupies.

4) Weighing scale measures the amount of mass (or weight) in a body. Options A and D are units of measurement for length while B is used for volume. Recap: volume is the amount of space an object occupies

5) Here, we are differentiating matter from non -matter

Properties that differentiate a matter from a non- matter are mass and volume. Matters have mass and occupies space (have volume).

6) I. Light is not a matter

II. All matter

III. Heat is not a matter. It is the measure of coldness or hotness in a body.

IV. All matter

9) Option C talks about diffusion.

10) An ion is a charged particle. For example, if an atom gains or loses an electron, it becomes negatively or positively charged and is now known as an ion.

A molecule is a group of atoms bonded together.

12) Atoms are very tiny so centimeters and millimeters would be too big of a unit for measuring them. Gram is a unit of measurement of mass.

<u>☆ Extra:</u>

Mass is the amount of substance in a body while weight is the amount of gravitational force acting on a body.

6 0
2 years ago
Examine the list of cell characteristics. lack nuclei have cell walls have membrane-bound organelles are smaller than eukaryotic
Mazyrski [523]

Answer:

Explanation:

Prokaryotic cells are very simple so they have:

circular chromosome

smaller than eukaryotic cells

lack nuclei

have cell walls

5 0
3 years ago
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