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dybincka [34]
3 years ago
5

Some organisms are composed of only ONE cell. * O True O False

Chemistry
1 answer:
Vikki [24]3 years ago
5 0

Answer:

True

Explanation:

These organisms are called unicellular, and can be different from multicellular organisms

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Please help me I need these answers
Cerrena [4.2K]

1 is true

2 is d 7

3 is

            1             e

            2             b

            3             d

            4             a

            5             c

8 0
3 years ago
A woolly rhinocerous skeleton (Coelodonta antiquitatis) found in Poland contains 1.30% of the C-14 found in living animals. How
krok68 [10]

Answer:

The organism died 35900 years ago

Explanation:

  • Half life C-14 is 5730 years.
  • For decay of radioactive nuclides: \frac{N}{N_{0}}=(\frac{1}{2})^{\frac{t}{t_{\frac{1}{2}}}}
  • \frac{N}{N_{0}} is the fraction of radioactive nuclide remain present after t time and t_{\frac{1}{2}} is the half-life of radioactive nuclide
  • Here \frac{N}{N_{0}} is 0.013 and t_{\frac{1}{2}} is 5730 yeras

Plug-in all the values in the above equation:

0.013=(\frac{1}{2})^{\frac{t}{5730years}}

So, t = 35900 years

Hence the organism died 35900 years ago

4 0
3 years ago
21. A piece of metal with a a mass of 15.2 g is heated from 17°C to 42°C. In the process it absorbs 1362 J of
Sholpan [36]

Answer:

3.58J/g°C is the specific heat of the metal

Explanation:

The specific heat of a material is defined as the energy that 1g of the material absorbs and produce the increasing in temperature in 1°C. The equation is:

Q = S*ΔT*m

<em>Where Q is energy = 1362J</em>

<em>S is specific heat of the material</em>

<em>ΔT is change in temperature = 42°C - 17°C = 25°C</em>

<em>And m is the mass of the material = 15.2g</em>

Replacing:

S = Q / ΔT*m

S = 1362J / 25°C*15.2g

<h3>3.58J/g°C is the specific heat of the metal</h3>
4 0
3 years ago
What 6 elements in the periodic table are named after real people?
Romashka [77]
Curium (Cm, 96) – Pierre and Marie Curie einsteinium (Es, 99) – Albert Einsteinfermium (Fm, 100) – Enrico Fermigallium (Ga, 31) – both named after Gallia (Latin for France) and its discoverer, Lecoq de Boisbaudran (le coq, the French word for 'rooster' translates to gallus in Latin)hahnium (105) – Otto Hahn (Dubnium, named for Dubna in Russia, is the IUPAC-accepted name for element 105)lawrencium (Lr, 103) – Ernest Lawrencemeitnerium (Mt, 109) – Lise Meitner<span>mendelevium (Md, 101) – Dmitri Mende</span>

<span>obelium (No, 102) – Alfred Nobel<span>roentgenium (Rg, 111) – Wilhelm Roentgen (formerly Ununumium)</span><span>rutherfordium (Rf, 104) – Ernest Rutherford </span><span>seaborgium (Sg, 106) – Glenn T. Seaborg</span></span>

4 0
3 years ago
Examples and connections to the word: Digital. Will give brainliest. 3 for each!
Olenka [21]

Answer: I think this is what your working for.

Examples of digital media include software, digital images, digital video, video games, web pages and websites, social media, digital data and databases, digital audio such as MP3, electronic documents and electronic books.

4 0
3 years ago
Read 2 more answers
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