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Alona [7]
3 years ago
12

You are working a crime scene and discover a weapon. How do you pick up the weapon so you do not disturb

Chemistry
2 answers:
11Alexandr11 [23.1K]3 years ago
3 0

Answer:

you pick it up with gloves and make minimal contact with it

Feliz [49]3 years ago
3 0
You would pick up the weapon with gloves from the bottom, this insures that you have minimal contact with it and not much DNA is wiped off.
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You crumple a piece of paper in your hands. Not all of the kinetic energy from your hands is used to crumple the paper. Where do
Shkiper50 [21]

Answer:

A

Explanation:

When you crumble a piece of paper it make a sound plus i just did on apex

3 0
2 years ago
Boron’s chemistry is not typical of its group.(a) Cite three ways in which boron and its compounds differ significantly from the
Mila [183]

Boron’s chemistry is not typical of its group. is group 3A (13) shows the increasing metallic character from Al to Tl.

All Boron compounds are covalent whereas the other elements in group 3A (13) form mostly ionic compounds.

Except for Boron, the other elements of group 3A (13) show increasing metallic character from Al to Tl. But Boron is a metalloid.

Compared to the other elements in group 3A, boron has a lower reactivity in chemical terms (13)

The metalloid boron (B), as well as the metals aluminium (Al), gallium (Ga), indium (In), and thallium, are all part of group 3A (or IIIA) of the periodic table (Tl). In contrast to the other members of Group 3A, the element borax primarily forms covalent connections.

To learn more about group 3A (13) refer the link:

brainly.com/question/5489194

#SPJ4

6 0
1 year ago
What volume of a 6.67 m nacl solution contains 3.12 mol nacl??
natima [27]

The volume of a 6.67 m nacl solution that contains 3.12 mol nacl is 0.468.

You just need to follow this formula:

C = n / V

So, it will be

V = n / C

<span>    = 3.12 / 6.67 moles / Liter </span>

<span>     = 0.468 L</span>

6 0
3 years ago
Read 2 more answers
What is rust and give two methods that can be usedto prevent ​
SOVA2 [1]

Answer:

rust is a substance formed on iron coated when it reacts with water and its miosture.

two general method are--

1.after u make any object of iron wet make it dry fast.

2. coat its surface with paint or apply grease, oil or varnish.

3.also by Rusting of iron can be prevented by galvanization.

4 0
3 years ago
Read 2 more answers
. Which best describes why scientific models change over time? (2 points) Models can be changed by scientists who are more famou
goldfiish [28.3K]
<span>As technology advances, new experiments often expose problems in accepted theories.

The advancement in technology allows scientists to explore more than previous scientists. Technology provides them with more tools to explore further. Technology can be used to prove or disprove old theories by uncovering more evidence. Fame has nothing to do with it, neither does excitement.</span>
7 0
3 years ago
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