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Vladimir [108]
3 years ago
14

Choose the 2 reasons some atoms are radioactive. a. the number of additional neutrons of an isotope is too large b. the nucleus

itself is too large C. atomic numbers < 83 O d. the number of additional neutrons of an isotope is too small e. the nucleus itself is too small
Geography
1 answer:
uranmaximum [27]3 years ago
6 0

Answer:

The correct options are: a. the number of additional neutrons of an isotope is too large; d. the number of additional neutrons of an isotope is too small

Explanation:

The chemical elements that have the same number of protons in the nucleus but different number of neutrons are known as isotopes. Isotopes can be stable or unstable.

The isotope having an unstable nucleus, due to the presence of additional neutrons in the nucleus of the atom, is known as a radioisotope.

Also, chemical elements that have atomic number greater than 83 have unstable nuclei and thus they are called radioisotopes.

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PLz help WILL GIVE BRAINLIEST Which description lists Earth's layers from smallest to largest width (thickness)? Lithosphere, as
ozzi

Answer:

Answer:

The correct list is inner core, outer core, lower mantle, asthenosphere, lithosphere.

Explanation:

Based on Structural features and chemical composition earth surface is divided into different layers. The main layers can be described as,

1. Core

2. Mantle

3. Crust

Core:

The core is further divided into inner core and outer core. The inner core is extremely hot and solid. The outer core is in fluid form and surround the inner core.

Mantle:

The mantle layer is composed of rocks. The earth's mantle is also divided into two main layers Lower mantle and upper mantle.  Asthenosphere is viscous and present just below the rigid lithosphere.

Crust:

Crust is the outermost layer of earth. It is composed of variety of elements. Lithosphere is the part of Crust.  

BRAINLIEST PLEASE! I NEED IT

4 0
3 years ago
If globes are better at showing the Earth accurately, why do we still use maps?
vredina [299]

Answer:

Even though globes are showing Earth more accurately, the maps are still used because they are more practical.

Explanation:

Earth is generally shown with two methods, one being the maps (map projections) and the other being globes. Both are used and will be used, as both have several advantages, but also several disadvantages. Despite globes being closer and more accurate in their representation of Earth, the maps are still used because they are much more practical.

The globes show Earth very close to its true form, though they are made as a ball, not as an ellipsoid. Anyhow, the globes don't have distortions of areas, so the sizes and locations are accurate on them. On the other hand, globes are highly impractical because of their shape, as they are don't often fit in standard backpacks or bags, and can easily be broken or damaged. Also, we can not see the entire Earth at any moment, so it is hard to make comparisons by using them.

The maps, on the other side, do have inaccuracies, mostly by having distortions, be it around the Equator or around the poles. Despite this, they have a relatively good accuracy that in most cases is enough for practical usage. Also, their form and weight make them easy to use, move from place to place, and the entire world can be seen at the same time, thus they are very practical when it comes to making comparisons.

5 0
2 years ago
Human beings are more widespread than any other species of primate.<br><br> True or False
Jlenok [28]
False is the answer for the question
5 0
3 years ago
What career opportunities does a geologist have?
vesna_86 [32]
A lot of people want geologists, local councils are always in need of a geologist so that is an easy career. A geologist is a good career because people are looking for them and they become more and more important. I hope that helps
5 0
3 years ago
What statue prohibits an official from receiving anything of value in exchange for supporting or not supporting a policy
grigory [225]

Answer: Bribery of Public Officials Prohibited - 18 U.S.C. § 201

Explanation:

This statute prohibits a Government employee from receiving or soliciting anything of value in exchange for being influenced in the performance or nonperformance of any official act, including giving testimony, or in exchange for committing fraud.

6 0
2 years ago
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