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DIA [1.3K]
3 years ago
15

NEED HELP PLZ I AM CONFUSED ON WHAT TO DO!

Chemistry
2 answers:
tekilochka [14]3 years ago
7 0
1. Fact: A dead organism is still an organic being.
Evidence: Non-living things differentiate from living beings due to differences in organic and non-organic chemical compounds. On top of this, non-living things were never alive in the first place.

2. Fact: The Linnaeus system, although still recognized as the perfect class system, has changed.
Evidence: Initially, Kingdom was the highest class in the system; however, later on, scientists introduced a class above this- the Domain.

3. Fact: The tiger and goldfish are not closely related.
Evidence: Although all living things share common ancestors from billions of years ago, they branched off and continued to do so since then. The only relation these two organisms share is distant DNA patterns.

4. An organism's kingdom is no longer only based on physical appearance.
Evidence: Although before the rise of genetics and evolutionary sciences this may have been the case, it isn't anymore. We now have the ability to analyze DNA, as well as actually pick apart what makes the organism what it is.

5. Mammals are indeed in the same domain as plants. 
Evidence: All plants, fungi, protists, and animals posses eukaryotic cells; therefore placing them in the same domain.
Aloiza [94]3 years ago
6 0

Answer:

1. Myth: A dead organism is the same as a nonliving thing in science.  

o Fact: A non-living thing can be very different than a living thing.

o Evidence: Once- living things are made up different things then non-living things. While a rock is a nonliving thing, it doesn't contain the same build as living things. If we were to look at a dead once living being, we could probably conclude that it was a living thing since it contains things like cells, proteins, etc. That other thing, like dirt, wouldn't have.  

2. Myth: The Linnaeus system of classification will always stay the same.  

o Fact: The capacity of the Linnean system of classification to pass on complex connections to scientists all through the world is the reason for its wide acceptance.

o Evidence: Though many Scientist tried to attempt the classification of living organism, it was Carl Linnaeus who came up with a sequential classification of living organism under different taxons namely Kingdom, phylum, class, order, family, genus and species.

3. Myth: Tigers and goldfish are not related.  

o Fact: Tigers and goldfish are actually related.

o Evidence: They may seem different cause one is a warm-blooded animal and the goldfish a cold-blooded animal. They share the same point in the phylogenetic tree.

4. Myth: An organism's kingdom only describes physical characteristics.  

o Fact: An organism's kingdom does not only describe physical characteristics.

o Evidence: Kingdom Plantae: They obtain their food through photosynthesis Kingdom Animalia: They obtain their food through hunting or consuming        other organisms.        

5. Myth: Mammals and plants don't belong in the same domain.  

o Fact: plants and animals belong to the same domain called the Eukarya

o Evidence: the domain Eukarya is divided into four kingdoms namely; Protista, Fungi, Plantae and Animalia

Explanation: I did this

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Molecule of dissimilar elements with a net charge remaining is called
MariettaO [177]
It is called a polyatomic ion. 

 Hope this helps!!!
3 0
3 years ago
g Where, approximately, is the negative pole on each of these molecules? Lewis structure for C O F 2. A central C atom is single
seropon [69]

The molecule with higher dipole moment is COFH because the geometry of the molecule in the COF2 nearly cancel the dipolar moment of each other. To be more clear:

The dipolar moment is the vectorial sum of all bond moments in the molecule or dipolar moment of each bond. The dipolar moment of a molecule with three or more atoms is determined by bond polarity as their geometry.

COF2 has a trigonal planar structure which are symmetric. The electronegativity of oxygen is slightly different regarding fluor. So as you can see in the image, the electronic density is specially displaced to the fluor atoms, but either to the oxygen atom.

COFH has a trigonal structure but differs from COF2 because there is an hydrogen who is donating it's electronic density, so in this zone the electronic density is less than over oxygen or fluor. That makes bond angles be different between them.

3 0
2 years ago
Read 2 more answers
Cyanide and water react in a proton transfer reaction to form hydrogen cyanide and hydroxide
alukav5142 [94]

The proton transfer reaction between Cyanide and water can be written as; X^- + H2O -----> HX + OH^-

<h3>What is a proton transfer reaction?</h3>

A proton transfer reaction is one in which a proton is moved from one chemical specie to another.It is in fact and acid - base reaction in the Brownstead - Lowry sense.

The proton transfer reaction between Cyanide and water can be written as(Let the cyanide ion be shown as X);

X^- + H2O -----> HX + OH^-

Learn more about proton transfer: brainly.com/question/861100?

4 0
2 years ago
Read 2 more answers
A fossil was analyzed and determined to have a carbon-14 level that is 70 % that of living organisms. The half-life of C-14 is 5
Citrus2011 [14]

Answer: 2948

Explanation:

Half life is the amount of time taken by a radioactive material to decay to half of its original value.

t_{\frac{1}{2}}=\frac{0.693}{k}

k=\frac{0.69}{t_{\frac{1}{2}}}=\frac{0.693}{5730}=1.21\times 10^{-4}years^{-1}

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant  = 1.21\times 10^{-4}years^{-1}

t = age of sample  = ?

a = let initial amount of the reactant  = 100

a - x = amount left after decay process = \frac{70}{100}\times 100=70

t=\frac{2.303}{1.21\times 10^{-4}}\log\frac{100}{70}

t=2948years

Thus the fossil is 2948 years old.

5 0
2 years ago
What is the volume of 64 g of oxygen gas 02 at STP
Yakvenalex [24]

Answer:

The volume would be 44.8 L

Explanation:

Message me for extra information

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8 0
3 years ago
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