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ddd [48]
3 years ago
6

what is cotinental drift defin this term whith three scientific evidnce in 3-5 sentences HELP ME I'LL MAKE YOUR BRAINEST AND YOU

GET 99 POINTS
Chemistry
2 answers:
FinnZ [79.3K]3 years ago
4 0
Continental drift is the movement of Earth’s continents over long periods of time. An evidence for this is that some continents look like puzzle pieces that can fit together, such as South America and Africa. Another evidence is that fossils of the same type have been found in different continents, far apart - suggesting that the two continents once were joined. Another evidence is that identical rocks were found at both sides of the Atlantic Ocean by Alfred Wegener, the main developer of the continents drift theory.
Scilla [17]3 years ago
4 0

Give the person who answered your question brainliest.

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Worth 100 points if able to help, please! (show work if possible)
dem82 [27]

Answer:The answer would be 2 sorry i cant show the work right now

Explanation:

5 0
3 years ago
Read 2 more answers
An enzyme can catalyze a reaction with either of two substrates, S1 or S2. The Km for S1 was found to be 2.0 mM, and the Km, for
disa [49]

Answer:

101

Explanation:

Provided that

S_1 = S_2 = same\ V_{max}

And,

S_1\ k_M = 2.0mM\\S_2\ k_M = 20mM

Now we expect the same

{S} (0.1mM)

This determines that S_1 generates a  higher rate of product formation as compared to the S_2

So we can easily calculate the V_{max} for either of S_1 or S_2 as we know that Tube 1 is S_2 and tube 2 is S_1

As we know that

V_0 = V_{max}\ {S} / (K_M + {S})

As the rates do not include any kind of units so we do not consider the units for V_{max}

Now the calculation is

0.5 = V_{max} (0.1\ mM) / (20\ mM + 0.1\ mM)

V_{max} = 0.5 (20.1\ mM) / 0.1\ mM

= 100.5

≈ 101

3 0
3 years ago
What is the Anion and it’s charge.
Dafna11 [192]

Answer:

anion has a negative charge

An anion has more electrons than protons, consequently giving it a net negative charge

8 0
3 years ago
Colton has an ice cube that has a mass of 4 grams. He places it in a sealed container and then puts it in the microwave on high.
Bas_tet [7]

I believe the answer is D.

The reason is because mass cannot be destroyed. All the mass can really do is become more of less dense.  

5 0
3 years ago
A binary ionic compound is known to contain a cation with 51 protons and 48 electrons. The anion contains one-third the number o
7nadin3 [17]

Answer:

SbCl_3

Explanation:

The cation contains 51 protons and 48 electrons. The electrons are only lost not protons, so the element which corresponds to atomic number 51 is the cation which is Antimony (Sb).

Also, the charge on the cation is 51 - 48 = 3

This is because neutral atom contains the same number of electrons as protons.

Given the anion has one-third protons as cation which means thta:

Number of protons in anion = \frac {51}{3}=17

This corresponds to chlorine atom. The electrons are 1 greater than protons means that it has gain 1 electron.

So,

Sb     Cl

3         1

Cross multiply the valency.

So, formula is SbCl_3

4 0
3 years ago
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