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Travka [436]
3 years ago
10

1. (a) Name Which three nations in the EU did not adopt the euro?

Geography
1 answer:
tigry1 [53]3 years ago
5 0
The United Kingdom, Poland, Sweden, ...
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Scientists find trilobites during a routine dig. Trilobites were common in the Paleozoic Era (540 to 245 million years ago) and
kifflom [539]

Answer:

A and C

Explanation:

The rock layers must have formed at different times because they contain two different biozones. The rock layer containing the trilobites must have formed before the one containing the ammonites. The key thing to note here is that the Trilobites only lived from 540 to 248 million years ago. And that the Ammonites were from 245 to 65 million years ago. So there's a 3 million year gap between these 2 different creatures where neither of them existed. So the dig where the trilobites were found has to be at least 3 million years older than the dig where the Ammonites were found. So with that in mind, let's look at the options and see what makes sense.

The rock layers must have formed at the same time because they both contain biozones. * This is nonsense no matter what dates you're speaking of. In effect it claims that all rocks that indicate life were created at the same time. So this is definitely a bad choice.

The rock layers must have formed at different times because they contain two different biozones. * This is technically incorrect since it assumes that all biozones represent an unique period of time which is incorrect. However, since the biozones represented by the presence of Trilobites and Ammonites don't overlap, it is true that these these rock layers were formed at different times. I would have preferred if this option said "non overlapping biozones". But on the balance, I'd consider this option to be true, so it should be selected.

The rock layer containing the trilobites must have formed before the one containing the ammonites. * This is definitely true since the last Trilobite died about 3 million years before the first Ammonite lived. So this is a correct choice.

The rock layer containing the trilobites must have formed after the one containing the ammonites.

* This is the opposite of the previous option. And since the previous option was true, this option must be false. So this is a bad choice

8 0
3 years ago
WILL MARK BRAINLIEST!!! HELP ASAP!!!!!!!!
SashulF [63]

small even though Alaska is a big state it is covered in snow most of the time, and know one will want to live there for their whole life.

5 0
3 years ago
Read 2 more answers
Which of the following are common tectonic settings associated with volcanic activity?Select all that apply.
bagirrra123 [75]

Answer:

Options (A), (B), (C), and (D)

Explanation:

The volcanic activity refers to the eruption of magma at the surface of the ocean floor and continental land areas, forming volcanoes.

Some of the tectonic settings that are associated with volcanic activity are as follows-

  • Mantle plumes- These are the large uprising bodies of magma that are generated due to the formation of convection current in the mantle. These are localized body and are located away from the tectonic boundaries. For example, Hawaii is formed as the plates moved over the mantle plumes.
  • Continental rifts- This refers to the eruption of magma at the surface of the continents, due to the divergent motion of two continental plates. It results in the formation of a rift, rift valley and then later forms an ocean.
  • Island arcs- These are formed due to the collision of two oceanic plates, where the volcanoes are formed on the lighter oceanic plate due to the rising up of magma.
  • Continental arcs- These are formed due to the collision between an oceanic and a continental plate, where the volcanoes are formed due to the uprising of magma in the lighter continental plates.
6 0
3 years ago
What is the image of (8,4) after a reflection over the y-axis?
oksian1 [2.3K]

Answer:

What is the image or point

just a point would be -8,4

Explanation:

8 0
3 years ago
Explain how Cynognarthus, Lystrosaurus and Mesosaurus provide evidence to support the theory of continental drift.
Leno4ka [110]
It happened when H2O gets released to that atmosphere to a massive heat level combined with geo force
8 0
2 years ago
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