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Tamiku [17]
3 years ago
11

What is the importance of measuring the age of fingerprints

Chemistry
1 answer:
ivanzaharov [21]3 years ago
8 0

Answer: Measuring the age of fingerprints is important because it can help detectives on a crime.

With fingerprints you can find the criminals record. Which would lead to their eventual arrest and a solved case.

Explanation:

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The role of chlorophyll during photosynthesis is to
Fudgin [204]

Answer:

Absorb light energy

Explanation:

Chlorophyll absorbs light energy which is used to produce carbohydrate and oxygen in the presence of carbon dioxide and water.

3 0
3 years ago
How does changing the position of a light source such as a flashlight affect the size of an object's shadow
Alex73 [517]
If u were holding the flashlight above the object the shadow would be a circle on the ground if u were holding the flashlight in front of the object it would make a long slim shadow f the object
Ex: if I was standing near a wall and u held a flashlight in my face, not only I will be blinded by the bright light but it make a shadow of my head on the wall. different angles make different shadows
4 0
4 years ago
Which method of moving materials in and out of a cell requires energy?
Galina-37 [17]

Answer:

Active Transport

Explanation:

As the name suggests, in active transport you need energy to move materials in and out. Similar to how if you want to be active you need energy, same goes with movements in our cells as well.

6 0
3 years ago
Read 2 more answers
How has research for alternative energy sources been affected by changes in society?
rodikova [14]

Research for alternative energy sources have been positively affected, because of other reasons (excluding those EliteAnswers listed), such as:

1) Renewability: This means that resources are replaced as fast as they are used, meaning that they would not run out

2) Cleaner: Most alternative energy would not have the effect of polluting the earth after it is used, and may be easier to clean (if even need to)

hope this helps

5 0
3 years ago
Read 2 more answers
When table salt (NaCl) is dissolved into water, it breaks into 2 ions, Na+ and Cl-. The water molecules are attracted to them be
eimsori [14]

Answer:

A

Explanation:

According to Coulomb's Law, like charges<u><em> repel </em></u>each other, whereas unlike charges<em><u> attract</u></em> each other. This applies to all charged particles.

When NaCl dissociates into its ions in water, we observe the following ions in the system:

<em>Na+ (positive)</em>

<em>Cl - (negative)</em>

<em>H+ (positive)</em>

<em>OH- (negative)</em>

The only correct option is A where the negatively charged oxygen atoms are attracted to the positively charged sodium atoms.

In option B the charge of the oxygen atom is incorrectly mentioned as positive. In option C, the charge of hydrogen atoms is incorrectly mentioned as negative, and in option D the charges of the atoms are correct, but the pairing is incorrect as like charges repel each other.

<h3>Hope this helps</h3>
3 0
3 years ago
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