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Jobisdone [24]
1 year ago
10

What is a radioactive isotope?

Biology
1 answer:
saul85 [17]1 year ago
4 0

B. An atom whose nucleus is unstable and emits particles and and energy. This is a Radioactive isotope.

The atomic nuclei of constituent atoms of the same element include the same number of protons but different numbers of neutrons. Radio isotopes are an element's radioactive isotopes. They can alternatively be described as atoms with an excess of energy in their nucleus or atoms with an unstable ratio of neutrons to protons. A radioisotope's unstable nucleus can form either spontaneously or as a result of a deliberate alteration of the atom. Radioisotope production can occur using either a cyclotron or a nuclear reactor. Molybdenum-99, which has a high neutron content, can be produced most effectively in nuclear reactors, whereas fluorine-18, which has a high proton content, can be produced most effectively in cyclotrons. Uranium is the most well-known illustration of a radioisotope that is found naturally. Uranium-238 constitutes all naturally occurring uranium with the exception of 0.7%.

Learn more about Radioisotopes

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Which organ in the body regulates temperature
butalik [34]

Answer:

2 possible ones

Explanation:

Skin - Due to vasoconstriction and vasodilation

Brain - the hypothalamus regulates temperature

4 0
3 years ago
Which one of the following statements accurately describes a characteristic of red blood cells?
wel
A)no, they do, they do have hemoglobin! what they do lack is a nucleus (so answer B is also false)

c) - no, inflammation would be more a response of immune cells (not red blood cells) to a foreign body or organism

d) -yes, this is the correct one!
6 0
3 years ago
Which optical phenomena are formed by cloud droplets?
kvv77 [185]

Answer:

Cloud iridescence

Sunlight travels through the cloud and is diffracted by the droplets, creating the rainbow effect. It can appear as a patch or band at the cloud's edges and changes as the cloud evolves.

Explanation:

8 0
3 years ago
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Examine the image of the Hertzsprung-Russell diagram.
SashulF [63]

Answer: A. Cool

Explanation:

The diagram shows that moving from the left to the right indicates a lower temperature and the arrow is pointing to stars to the right which means that they are cool in comparison to those on the left.

Red stars like the one being pointed to are the cooler stars with temperatures of less than 6,000 Kelvin as opposed to blue stars which are very much hotter and go above 10,000 Kelvin.

8 0
3 years ago
Which structure provides the best surface for diffusion?
Reika [66]
<h3>♫ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ♫</h3>

➷ The structure that provides the best surface for diffusion to occur is the bronchioles.

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

8 0
3 years ago
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