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Firdavs [7]
3 years ago
9

What phenomenon occurs after mass extinction?

Chemistry
1 answer:
vampirchik [111]3 years ago
3 0

Answer:

Diversification and adaptive radiation.

Explanation:

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Why is the layer of fat on top
mihalych1998 [28]

Answer:

The solid layer of fat on top protects the broth from freezer burn. When I take the broth out of the freezer I use a butter knife to pop the fat cap off before defrosting. I do save chicken fat from soup and use it instead of butter or olive oil when I cook onions.

Explanation:

hit the heart

5 0
3 years ago
If I add a proton to an atom, which of the following will change? (select all that apply) a)the type of element b)The mass of th
nirvana33 [79]
The type of element will change and the mass of the atom will change; A and B
4 0
3 years ago
How many grams of copper will be plated out by a current of 2.3 a applied for 35 minutes to a 0.50 m solution of copper (ii) sul
kumpel [21]
When the magnitude of the charge Q = I*T

when we have I current = 2.3

and T =   35 min * 60 = 2100 s

by substitution:

∴ Q = 2.3 * 2100

       = 4830 C

according to this reaction equation:

Cu2+ + 2e-  → Cu

we can see that 1 mol Cu2+ need 2 mol e- to produce Cu

mol of electron e- = Q / faraday's constant

                          = 4830 / 96485 

                          = 0.05 mol

when 1 mol Cu2+  → 2 mol e-

                 ??          ←  0.05 mol

∴ moles Cu2+ = 0.05 /2 = 0.025 mol

∴ mass Cu2+ = moles Cu2+ * molar mass Cu2+

                       = 0.025 * 64

                      = 1.6 g
                                        
3 0
4 years ago
Energy transfer by convection is usually restricted to what type of substance? A. Solids only
Lunna [17]

My thought would be B) gases.

I could be wrong but that's what i'd say


4 0
4 years ago
Hey hope ur having a good day be safe
IceJOKER [234]
Thank you! same for u my friend! have an amazing life! :)
6 0
3 years ago
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