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3 years ago

Who was the first person known to have used the terms genus and species when classifying organisms?

Chemistry

1 answer:

velikii [3]3 years ago

4 0

C Linnaeus was the first person known to have used the terms genus and species when classifying organisms.

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Which of the following statements explains why atoms are always neutral in charge

laila [671]

Answer:

D. They have the same number of protons as electrons.

Explanation:

Protons are found in the nucleus of the atom and have a positive charge while electrons orbit around the nucleus and have a negative charge. Usually, in a neutral atom of an element, the number of protons is equal to the number of electrons. This is why the atom has no charge because the positive and negative charges cancel out. When an atom loses an electron its charge turns positive while when it gains an electron its charge turns negative.

6 0

1 year ago

the pressure of a 250-ml sample of gas is 105 kpa. what would br the pressure in Pascal if the volume were increased to 375 ml

juin [17]

After a good long amount of research, I found that the scientific answer to this question would be a big ol’ dink

8 0

3 years ago

Imagine that you are playing a game of Clue in which Mrs. White is killed in the conservatory. You have a device in each room to

myrzilka [38]

Answer:

Mr. Plum killed Mrs. White.

Explanation:

1) Wavelengths for the different light colors (visible light) and related character:

Color Wavelength related character

Violet 380–450 nm ← Professr Plum

Blue 450–485 nm ← Mrs. Peacock

Cyan 485–500 nm

Green 500–565 nm ← Mr. Green

Yellow 565–590 nm ← Colonel Mustard

Orange 590–625 nm

Red 625–740 nm ← Miss Scarlet

2) At the time of the murder, the spectrometers recorded:

a) In the dining room: 520 nm.

520 nm is in the range 500 - 565 nm, which is the range for green color, so Mr. Green was in the dining room and is no more a suspect.

b) In the lounge and study: lower frequencies.

Since frequency and wavelength are inversely related, the wavelengths in the longe and study have to be of yellow and red colors, which are the only two with longer wavelengths from the option given.

Then, Mustard and Scarlet are not criminal.

c) In the library: the second shortest wavelength of the five recorded.

The second shortest wavelength, as per the table, is that of blue color. So, Mrs. Peacock is not the killer.

The only left option is violet, so Mr. Plum is the only who could be at the conservatory and he is the killer.

7 0

3 years ago

How do metalloids affect modern technology?

Lady bird [3.3K]

examples of metalloids :
Boron,Silicon ,Germanium are some metalloids ...
what they do:
they are used to form the semiconductors and these semiconductors are used in modern computer technology like in circuits ,chips and computer based gadgets... :)

7 0

3 years ago

PLEASE HELP!!

just olya [345]

Answer:

Ecosystem services are indispensable to the wellbeing of all people, everywhere in the world. They include provisioning, regulating, and cultural services that directly affect people, and supporting services needed to maintain the other services.

5 0

2 years ago