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ozzi
3 years ago
5

In what way are elements in the same column of the periodic table the same?

Biology
1 answer:
Dmitry [639]3 years ago
3 0
They have the same number of valence Electrons.
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Eukaryotic cells require a careful, step-by-step process to make sure chromosomes are properly delivered ..... true or false
lukranit [14]

Answer:

True

Explanation:

Because improper transfer of chromosome to next generation especialy sex chromosome can cuase serious diseases.

6 0
3 years ago
Which have scientists learned from studying seismic waves that travel through earth’s interior?
DENIUS [597]
<span><span>D. They have learned the precise depths where the boundaries between the earth's layers are located.</span>

The overwhelming amount of seismic activity particularly happens along convergent plate boundaries. In particular, reverse or thrust faults occurs on convergent plate boundaries.Converging plate boundaries are classified into two types of activities.First is the subduction boundary where the oceanic lithosphere is pressured beneath a continental plate or oceanic plate thus it overrides the other plate then slowly directed to the mantle where it will become a magma. Second is the collisional boundary where earthquakes occur because of the continental crust squeezed together then plates are pushed upwards.Reverse faults are correlated to earthquakes with magnitude of 8 or more.Hence, earthquakes of magnitude 8 or more are considered powerful and mega thrust earthquakes.</span>

5 0
3 years ago
Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent? 1. Protostomes inva
elixir [45]

Answer:

Let's complete the question by writing the sequence, from earliest to most recent options

a. 2 → 1 → 3 → 4

b. 2 → 4 → 3 → 1

c. 2 → 3 → 1 → 4

d. 2 → 1 → 4 → 3

e. 2 → 4 → 1 → 3

It's surely going to be e.

e. 2 → 4 → 1 → 3

2. Cambrian explosion occurs.

4. Vertebrates become top predators in the seas.

1. Protostomes invade terrestrial environments.

3. Deuterostomes invade terrestrial environments.

Got it!

4 0
3 years ago
Why are identical twins not considered clones?
CaHeK987 [17]
Identical twins could not be considered as clones for they are different individuals which came from the same egg and sperm. Clones are produced asexually, a copy of another organism. Even though identical twins share the same DNA, they have different qualities as of the other twin which makes them their own unique self. 
4 0
4 years ago
Cfhiiiiiuchchcdnjddjdhudfjxjixxu
Korolek [52]

Um, do you need help?

8 0
3 years ago
Read 2 more answers
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