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Deffense [45]
3 years ago
6

How much of the electromagnetic spectrum is visible light?

Physics
2 answers:
Margarita [4]3 years ago
8 0
I believe the answer is D, only a small part of it
ollegr [7]3 years ago
8 0

Answer:

D) a small part of it

Explanation:

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Calculate 2 x 10^-3cm ÷ 2.5 x 10^4cm
Mamont248 [21]
Here is your answer:

First find the notations:

2×10^-3
=0002
And...
2.5×10^4=25000

Then divide:

0002÷25000=8E-9

Your answer:
=8 x 10-8
3 0
3 years ago
Which component measures the potential difference across a branch in a circuit? A.switch. B.resistor. C.ammeter. D.voltmeter.
Mademuasel [1]

Answer: The correct answer is option (D).

Explanation:

Voltmeter is a device which measures the the voltage applied across the circuit. It is an electrical instrument used to measure the electric potential between the two points in an electric circuit.

Where as:

A switch is the device which used to connect or disconnect the circuit.

Resistor is a device which opposes the flow of current is an electric circuit.

An ammeter the is an electrical device which measures the amount of current in flowing in amperes in an electrical circuit

Hence,the correct answer is option (D).

4 0
3 years ago
Read 2 more answers
How do interest groups and PACs keep us from
levacccp [35]

Answer:

Interest groups help democracy because they represent the interests of such large numbers of people and encourage political participation by many groups. The stable, cooperative relationship often develops among a congressional committee, an administrative agency, and one or more supportive interest groups.

Interest groups try to influence the government to adopt legislation that would benefit them. Email, letter, faxes, phone calls, providing research and information (to bring about change by proving your cause with facts by funded research).

3 0
3 years ago
A train moves at 300 km/h. How far will it go in 5 hours?
faust18 [17]

Answer:

1,500 km

Explanation:

300 km/h

300 kilometers PER <u><em>HOUR</em></u>

<u><em></em></u>

So you want to see how far it will go in 5 hours, all you need to do is multiply the kilometers by 5. Since we know that per hour it's 300 km.

300 * 5 = 1,500

The train moves at 1,500 km in 5 hours.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

5 0
3 years ago
Which of the following statements is TRUE? (Points : 1) The dermis is avascular There are few sensory nerve fibers in the dermis
UkoKoshka [18]
TRUE: Dermal Papillae project into and anchor the epidermis to the dermis. 

The dermal papillae increases the surface area between the epidermis and dermis. It forms dermal ridges in hands, feet, and fingertips. It extends to the epidermis and contains blood vessels that supply epidermis with nutrients.

Aside from dermal papillae, the following are found in the dermis.
1) fibroblasts
2) adipocytes
3) macrophages
4) nerve endings
5) hair follicles
6) smooth muscles
7) glands
8) lymphatic vessels
8 0
3 years ago
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